A teacher named Kadomae Kazuma has the principal's daughter Noeda Kanade for his class in a new school semester. At first glance, she appears to be a quiet girl, but she's awakening her aberrant love towards Kazuma? This is a psycho love story that accelerates thoughts and actions.

In the Viking Brides series:

1-Byakuya no Princess (The Reluctant Princess)
Elli has no memories of her homeland or father, having been raised abroad by her mother with her sisters. When a mysterious man breaks into her house, she finds out that she’s royalty of the far-off land of Gullandria, and that her father is the king! With a reunion in the cards, will Gullandria prove to be all Elli hopes, or will she escape into the arms of the man who brought her there?

2-Gekka no Ayamachi (Prince and Future...Dad?)
Princess Liv Thorson honestly believed she could skulk back to America, her uncharacteristic night of passion a secret known only to a sympathetic sister...and the Viking prince who possessed her underlisse. Then came the baby trifecta--woozy tummy, fainting spell, rash--telltale signs that she and Finn Danelaw had made a lot more than love....
Finn Danelaw was used to hearing all kinds of utterances from women, but "no" wasn't usually among them. He had, however, a proposal for beautiful Princess Liv...and though he'd planned a seduction along with it, he'd learned a long time ago that all good things come to those who wait. For the test results, that is. The pregnancy test...

3-Shukumei no Deai (The Marriage Medallion)
He’s going to be my husband? Princess Brit is forced to marry to preserve the royal bloodline, so she flees the palace and heads for the distant North Sea. But on the way there, her plane crashes, and she is thrown against the steep cliffs. She’s hurt and terrified! As if in answer to her pleas for help, a dark shadow appears. Is he the legendary black knight? No—it’s Eric Greyfell. He’s as beautiful as a hero from Norse myth, but his heart is as impenetrable as a stone statue. And he’s the man she was expected to marry!

4-Kamen no Prince (The Man Behind the Mask)
Dulcie has arrived at a foreign palace to celebrate the wedding of her best friend, the princess of a small country. There, she meets Prince Valbrand, a man with a scar on his face. A hideous burn scar, marring the face of a beautiful man. What cruel fate must he have endured? On the night of the ball, spurred by curiosity, Dulcie dances with him and realizes that she has fallen in love.But as Dulcie grapples with her emotions, a tragedy awaits.

In the land of Gion, the capital of Japan, a mysterious "divine power" has brought about great prosperity. It is a power that only brings about changes in girls in the form of turning them half-animal, a sign that they are servants to a god, as well as granting them great power. Some that are strong enough become Onmyou and fight evil. Others whose power have gone berserk become Orochi, fated to bring death and destruction to man.

It was once thought that those who became Orochi had to be slain with no hope of saving the helpless victim—until a mysterious young man named Gion appeared to save one such girl. Will he be strong enough to fight the Orochi and bring an end to their terror?!

From Shoujo Sense:
Ryuuji is not your average high school student. With the family business struggling, and the atmosphere at home growing tense, he doesn't have time or the money for leisure—he's too busy with part-time work. So of course, when a talent scout offers him a place in the dog-eat-dog world of the entertainment industry, he turns him down. Except this talent scout is surprisingly persistent...

The manga adaptation of the otome game. The story centers around the six sadistic Sakamaki vampire brothers and a girl, Komori Yui, who goes to live with them.

Yui Komori is a positive-thinking girl who nevertheless is troubled by seeing spirits and experiencing poltergeist phenomena. In her second year in high school, she transfers to a new school — a night school for entertainers and celebrities — due to her father's work. There are rumors that there are vampires among the student body, and Yui ends up living with the Sakamaki brothers.

Everything starts after a break up? The intriguing story of an ex-boyfriend and girlfriend living together.

The first person who hurt me was of my own gender. Tsubaki is in the same class as Kaoru and Koutarou is the gentle big brother. What embrace their souls are desires and tenacity... They are hurt, they throb, they are drowned, they cry... They love with their body and soul, these are the real ordinary lives of these boys.

(Note: the title for this manga (Dousei Ai) generally means "homosexuality", however, the kanji used has a different meaning than the kanji that are properly used for spelling "homosexuality". The kanji for this series is the same for "living together" (同棲) instead of (同性) which means "same-sex")

From Mangabox:

Miyuki Nimi (15) has suffered the biggest embarrassment of her life! Now she’s moved as far away as she can get - to the rural prefecture of Shimane. But the wheel of destiny begins to turn as she meets the beautiful basketball player Shou Sakomizu! Watch as an average daydreaming girl challenges herself and the world! Laugh and cry with her in this Mangabox-original sports drama!

Humans and dinosaurs peacefully co-exist in our modern age. One night, Yuuma Asahikawa meets the feral t-rex, Churio. Follow the lives of (secret) ex-delinquent, Yuuma, and the very Cretaceous Churio as they spend their days together!

A new sci-fi manga, brought to you by the author of Hayate no Gotoku. About a boy who was brought up by a robot, and was bullied for that in the future where Earth was conquered by aliens, and people are just living boring lifes without any problems and ambitions.

Every 666 years in the Demon World, a fight to decide the next King the "Demon King Festival" is held. It is a battle royal fought with demons paired with human sorcerers. The demon Aini, carrying the desire to be King in her heart, quickly responds to her summoning in the human world, but what awaited her was.

N/A

Despite his one-sided love, a prince at school encouraged his crush to confess to her crush. But he also could not resist confessing to her. What will happen?

A story about a little accident that brings a high school student to develop a closer relationship with his "good-for-nothing", older, second cousin.

Note: tankoubon/volume extra chapter is unscanlated

Ch. 1 - Valentines Day rolls around again and Daisuke knows he won't receive any chocolate yet again. However, he opens his locker to find chocolate with only a mail address attached. Who gave him the chocolate and why? (Shounen-ai)

Ch. 2 - Kouki who has quite an innocent face, is actually the carnivore type. He fell in love with a herbivore type, who is the owner of the bar (aka Master) he is currently working part-time at. Every day, he tries to attack the Master with every chance he gets and the Master somehow manages to get away every time. However, suddenly receiving a ticket to go to the hot spring, will his chastity be safe this time as well…?! (Yaoi)

Ch. 3 - A story of unreciprocated love and friendship. Honjou with his one-sided love for Miki who in turn bullies him. Satonaka supporting a friend and questioning what love is. (Shounen-ai)

Ch. 4 - An editor and university literature student meet at a cafe over spilled coffee. Finding they share an interest in author Kurusu Takao, they begin meeting regularly to exchange books. The shy, pessimistic editor begins to fall for his cool and calm companion. How does their relationship develop? (Shounen-ai)

A compilation of erotic stories.

N/A

Sae is a very shy high-school girl who, one day, gets visited by a fairy who gives her various "love challenges" like "holding hands", getting an "indirect kiss" or giving a "lap pillow". Now join Sae as she struggles to complete these challenges.

A collection of short stories. Note that the vast majority of these stories contain heterosexual romance themes. A few stories explore transgender issues, but it's a stretch to call them shounen-ai or BL romances. This series demographic is josei.

Le théâtre de A
1.Oeufs D'ange - Tenshi no Tamago
A man is asked by a young painter to be her model.

2. Velvet Going Underground
A doll becomes a super idol. Hijinks ensue.

3. Childhood's End
Alastair runs away and meets the Rabbit.

4. Bite Me Something
Allistaire followed Mr. Rabbit all the way to Wonderland. Will he be able to find him among the crowd?

5. Long Along Alonging
A girl asks a vampire to be his apprentice. But what is her motive?

6. Till Dawn
In a dark tower, a caged voice is singing until a hunted man enters the darkness.

7. Leçon un
Sequel to Long Along Alonging.

8. My Skin on My Back

9. Highland Walker
Sequel to Leçon un.

10. Perfect World
The story of a young wife whose husband is infected with a fatal disease called Flower-Blossomitis.

11. Perfect Lady
Sequel to Perfect World and drawn especially for this book.

12-13. Looks Like a Teaspoon
A boy named Allistaire is often teased at his all-boys school. One night he dresses like a girl and stumbles upon the boy who often bullies him, Simon. Allistaire runs off into a tower and as Simon runs after him, we see the sign "Welcome to Wonderland" hanging by the tower's door.

14. The Pearl Blue Story
Do you believe in mermaids? Coggy, a young boy finds a mysterious lady laying down near the shore of the beach. He brings her home to help her.

15. I Am a Piano
A piano tells the story of her life and the people she encounters.

16. Parade

Le théâtre de B
1. Noël
A short story about a holiday romance.

2. Teddy Bear Satsujin Jiken (The Teddy Bear Murder Case)
Four murders have taken place at an all girl school. Lying beside each of the victim was a teddy bear with one missing limb.

3. Yonshimai Satsujin Jiken

4. A is for Alice
Alastair, a grown man, is off to follow the Rabbit once again to return to Wonderland.

5. Nedai no Musume Atelier no Musume (The Bedroom Girl, The Sculpture Room Girl)
A story about a girl in her death bed finding another chance in life in the body of a doll.

6. B&W (Black&White)
A story about a boy waiting for his sister.

7. Le Jardin du thé (The Tea Garden)
A mysterious story about a poor young man who orders a kind of tea called Huan Ying – “The Illusion”.

8-9. Free Fitting for Her
A priest and his captured vampire must save a naive and selfish young girl from the murderous desires of a Lolicon. But perhaps this girl isn't all that she seems.

10. Rose Dusk, Pale Moon

11. Hello, My Sister

12. The Happy Prince

13. Welcome to Wonderland
Simon, Alastair's old classmate, is now a grown man who bumps into his childhood Wonderland traveller.

Ulises, a brilliant but inflexible soldier, is shunned by the top brass and demoted to a station in a rural area where he meets his new wife Lea. The demotion that should've been a terrible thing turns into a blessing as Lea and her siblings teach the boorish Ulises about family and love. A soothing daily life fantasy about a silent military man and a clumsy new wife.