Witches, dragons, and reverse London.

Sugita is a handsome, skilled, newcomer at a company who gets along with everyone…. everyone except for the petite assistant manager, Yumihara, who tend to be very strict on him. One day during his lunch break, Sugita finds a small, secluded, coffee shop named “Dead Copy” which features special tables dedicated for playing retro games. To his surprise, he also spots Yumihara completely immersed in her game like a child; opposite of the strict attitude she shows back at the office. The story follows Sugita and Yumihara’s daily encounters at the arcade cafe, and how the two’s relationship develop through their various interactions.

The manga is based on Atlus' Shin Megami Tensei: Deep Strange Journey Nintendo 3DS game, and will tell an untold story in the game's world.

Kanoko has never, ever had interactions with boys, but actually, "I want to try touching a boy (innuendo)" is her secret wish...! With that in mind, Kanoko enters high school and meets the strange genius, Tamao, whom she gradually becomes attracted to...? Delusions in full blast! Explosion of hidden desires? The story begins on a "male-relationship" beginner's love!

(Translated with permission) Listen, she's just a normal human female, okay? So obviously she can get normal human married, just like any other human.
Definitely normal human and not a shapeshifting cat of any sorts, can't stress that enough.

Author’s Twitter: https://twitter.com/stylish_tanaka0

High School student, Ryouichi lies about his age while having drinks with Shintarou. They spend the night together and the next morning the truth is revealed. He thinks his only problem was that he slept with the man the night before, but he is in for a surprise when his mother introduces her new darling.

Artist Twitter: https://twitter.com/kx_rx_hx

Stone-faced Hina Kawai says she is not good with gyarus... but that's not an impediment for Hayashibara, her classroom's most noticeable gyaru.

Tokyo in the Taisho Era, when Japan made a strong move towards modernization. Len, the eldest son of the Kagurazaka family, wants nothing more than to prevent his sister, Rin, from entering an arranged marriage. As a last resort, he goes in search of the urban legend of a ghost train that will grant any wish. Not only does he find it, but in order to grant his wish, the train's conductor, Miku, charges him an incredibly high amount of money...?!

In a certain kingdom, a prophecy was made about a child born with a birthmark on his back. It was said that he would bring an end to the kingdom, and that his death would bring about its destruction. When the twin prince and princess were born, Len and Rin, Len was discovered to have the birthmark. He was banished to a lonely tower, and Rin was raised as the only princess. However, it ended up being impossible to keep the siblings apart, and soon they formed a deep friendship. Although circumstances may pull them apart, nothing can break the bond they have with each other. They struggle together to survive the treacherous and dangerous world they were born into.

Based on the original "Story of Evil" Vocaloid songs series, "Aku no Musume" ("Daughter of Evil") and "Aku no Meshitsukai" ("Servant of Evil") by Akuno-P (mothy).

On his first day of transferring to a new high school, a loner named Mori Buntarou, is cajoled by a classmate into climbing the school building. Despite knowing that one misstep could send him spiraling to his death, he moves forward, and upon finally reaching the top, Mori experiences a sense of fulfillment. That feeling, which seems to be telling him, "You're alive!" gives birth to an adrenaline for rock-climbing.

Note: Sakamoto Shinichi did both the story and the art from Volume 4 onwards.
The manga won an Excellence Prize in the manga division at the 2010 Japan Media Arts Festival. It also won Best Seinen Manga at the 2011 Prix Mangawa Awards.

Based on Kurousa-P's popular Vocaloid song "Cantarella":

Cesare (KAITO) is the first born son of the House of Borgia, while Lucrezia (Hatsune Miku) is his younger sister. One day, Cesare receives a poison from his father that has been handed down in the family called, "Cantarella".

The House of Borgia gained prosperity in the 15th century Rome. Cesare, who is in line as the next head of the family, has a sister who he has never met. Her name is Lucrezia. The story unfolds after the moment the two first meet...

This series is a spin-off of Tsumasaki ni Kiss following the character of Kyouya. from Dangerous Pleasure Kyouya has left hosting to go to university and work at a regular job. That is when he meets an assistant professor, Kiriya, whose "cold eyes" have drawn him in. Kyouya's problems begin with his restaurant boss who he has an emotional attachment to that he doesn't know how to deal with. He turns to Kiriya, who in turn has his own past to get over. Will Kyouya and Kiriya be able to overcome their pasts and find a future together? After his relationship with Homura ended, Kyouya left his job as a host to go to college. Kyouya, who still cares for Homura, is attracted to his boss at his part-time job because he reminds him of his lost love. However, the person he thinks of most isn’t Homura or his boss. It’s Kiriya, a professor Kyouya met by chance when he was looking for a home for two abandoned kittens. Almost against his will, Kyouya feels drawn to the cold and arrogant Kiriya. Is Kyouya fated to always know only unrequited love? [co-characters are some cute little kittens Milk & Bitter, plus appearances by a cute puppy Tomezou] [by mica363]

I will find a lifelong partner before I go into heat! With that determined thought the young and innocent werewolf Setsuka sets out from the remote countryside to Tokyo. He is quickly scouted as a host, but the owner of the club is werewolf's worst enemy, a vampire Nagato!

1) Machina Angelus - Angel's Temperature
Yuya was all alone after his grandfather passed away. Then Kou, his childhood friend, who abandoned Yuya reappeared back in his life. Unbeknownst to Yuya, Kou has a debilitating disease that forced him to leave his side. So in order for Kou to see Yuya again, he decided to become a Machina Angelus (Machine Angel), a machine he founded! Will the single-minded determination of a genius create a miracle?

2) Machina Angelus - Angel's Oblivion

3) Spicy Hot Life
Osawa Takatoshi is alone, his father left the family years ago and his mother is deceased. Now, Death God, Black, arrives at his door with a ring in his hand and a desire to eat curry. How can a Death God and a human find true love? And if they do, will they be able to stay together?

Extra) God's Left Hand

I cannot make my dark past disappear.

High school teacher Ueda Yuusuke finds out his crossdressing photos from his past are still shared on social media. On top of that, the person behind the account using his photos suddenly gets closer to his student, Kosaka. How much can Ueda get involved into his students' relathionships?
Despite his worries, he decides to do something about that mysterious account...

From Chibi Manga:

Shino was living in peace in the countryside until the day she met Kento, a boy coming from Tokyo.
Black hair, glasses and smart, that boy might be unsociable but he’s nice and Shino can’t stop her heart beating very fast when she’s with him… That’s the beginning of their love…

Featuring Soviet Union's female pilot in World War 2.

Blood, guts and glory! You can find it all on the rugby field. A young man is about to be introduced to the sport of rugby!