Shion has an idol childhood friend and a step sister from his dad’s 2nd marriage
For some reason, he lost his memories because he fell from the stairs, so the last thing he remembered was the night of june 6 when he was supposed to buy some crepe.
After getting out of the hospital, his childhood friend suddenly told him they are dating and that it’s a secret from his sister.
But, it turns out he’s also dating his sister!

From StarryHeaven:

Towako the ojousama (daughter of a high class family) will be turning 18 years old soon. When she was very young, she was told that on this 18th birthday she is to marry the young man who was born on the same day, the same time, and the same year as she was. However, during their first meeting, Yuuga was incredibly mean to her! What's Towako to do when her husband-to-be is the shy and cool type of guy?

In a world where experts harness and strengthen their martial soul to become a Martial Fist Master! Follow the adventure of a young martial fist master as he makes friends and fights against all before him.

Rui Xi has a bad family circumstances so Ji Yun married her. On the first day of their marriage life, Ji Yun said to Rui Xi: ”I gave you the position of becoming my wife but I will never be yours". After years, she became a cold-hearted person. She brought a young child with her and appeared in front of Ji Yun. His mind is now messed up but is Rui Xi's?

Cute 4-koma collection of one socially anxious girl being surrounded by attractive women hitting on her!

From Ikemen Manga:

Hana is a shoujo manga artist who fell in love at first sight with Riichi, a handsome hairdresser who was just passing by, and they decided to date! It’s normal for Hana to seclude herself when she’s working on a manuscript, and she’s not the ideal image of a girlfriend, but it seems that Riichi loves that side of her?

"After a long day at work, my boyfriend is waiting to spoil me… I’ve always wanted a boyfriend like that!". Dedicated to all the girls who work hard every day, a romantic comedy between a mangaka and a hairdresser starts!

BOOK ☆ WALKER's popular electronic comic is finally published in a book! A beautiful witch mother, a rugged but beautiful older sister, a lovely younger sister who longs for him, and a cute and gentle childhood friend. An ordinary high school student, "Mitsuteru Minamoto," who is not good at horror, lived a manga-like life that all the boys in his class envied, although he didn’t have a girlfriend . ――But it changes completely after his 16th birthday. Many beautiful women attacked in search of the power hidden in the birth of brilliance. ... that's also a youkai. What's more, the attack was a life-threatening color scheme! !! The fate of brilliance suddenly struck into the world of school horror from a school romantic comedy ...!??

The story is set in the distant future. The land is ruined, and humanity establishes the mobile fort city Plantation. Pilots produced inside Plantation live in Mistilteinn, also know as the "birdcage." Children live there knowing nothing of the outside world or the freedom of the sky. Their lives consist of battling to carry out missions. Their enemies are mysterious giant lifeforms known as Kyōryū, and the children pilot robots called Franxx to face off against them. For the children, riding the Franxx proves their existence.
A boy named Hiro is called Code:016, and he was once known as a prodigy. However, he has fallen behind, and his existence seems unnecessary. Not piloting a Franxx is the same as ceasing to exist. One day, a mysterious girl known as "Zero Two" appears before him. Two horns grow out of her head.

Tachibana Kayo (27) is beautiful, kind, capable and admired by everyone at work. However, she's a plain Jane homebody (hikkikomori) on the weekends, and a virgin, to boot. Her neighbor and junior colleague at work, Shindou Kei (25), finds out, and tells her she should master having fun on the weekends in a fashionable way. From his lectures, their relationship starts turning into one where they often go out together?!

From Tokyopop:
The background is in the distant future, a post-apocalyptic world after the destruction brought about by Armageddon. The war between humans (Terran) and vampires (Methuselah) continues, as a struggle between two factions: the Vatican and the New Human Empire.
Yet, amidst the bloodshed and violence, many desire a peaceful co-existence between the two species. However, standing between them and this goal is the Rosenkreuz Orden, a group of vampire extremists who manipulate the two sides and pit them against each other. To combat them, the Vatican special operations group "AX," led by Cardinal Caterina, must use everything they have - even a vampire who preys on the blood of other vampires.

Yukari wants nothing more than to make her parents happy by studying hard and getting into a good college. One afternoon, however, she is kidnapped by a group of self-styled fashion-obsessed artists who call themselves "Paradise Kiss." Yukari suddenly finds herself flung into the roller-coaster life of the fashion world, guided by George, art-snob extraordinaire. In a glamorous makeover of body, mind and soul, she is turned from a hapless bookworm into her friends' own exclusive clothing model.

In this manga we meet characters from Gokinjo Monogatari like Mikako (and her little sister, Miwako - she's in the "ParaKiss" group) and Arashi's father (only a poster, but still), as well as new characters like Isabella.

The plain and awkward high school girl Neneko makes a bold confession to her teacher, Teshigawara-sensei. But that brings on an unexpected circumstances...?

An ongoing series revolving around Atsuya, who is an "Unrequited Love Maniac" and the loves of his life.

Prequel: Hatsukoi Moratorium inside Shotgun Marriage
Vol.1: Shitsuren Mania (Unrequited Love Maniac)
Vol.2: Junai Allergy (Allergy to Pure Love)
Vol.3: Netsuai Complex (Ardent Love Complex)
Vol.4: Dekiai Egoism (Enraptured Love)
Vol.5: Katsuai Catharsis (Catharsis of the Love)
Vol.6: Saiai Ambivalent (The Dearest is Ambivalent)
Vol.7: Mitsugetsu Melancholy (Honeymoon Melancholy)
Vol.8: Tooi Dearest (Long Distant Love Just Now)
Vol.9: Kyuuai Syndrome (Courtship Syndrome)

Man brings home succubus, doesn’t get fucked. Instead, gets a cute succubus to take care of him.

Soul Wearer Lin Fei got lucky and acquired a Yun Yuan stone and Sun Gold scriptures. Lin Fei steps into the battlefield of the spirits and demons and slays tens of thousands. He gradually obtains the Ancient Spirit King's inheritance and achieves the status of the Supreme Martial Deity.

Spinoff of Amuro and Co. during their Police Academy Days.

After meeting a man from right out of her dreams, Kotono is on cloud nine! However, there stands one small problem to achieving those dreams...

"Welcome to Grimoire, The world of Witches!" This story is about a mysterious girl, who woke up in a place unknown to her, without any memories of her past, except for one feeling, The Feeling that there's something she must do...!...and now their Tales begins...!

"I love you, that's why I will eat you, yes."
The one who appeared in front of Ano Taiyou introduced herself as Kagen, a girl who came from the moon!
Staying true to her instincts as a tsuki-jin, Kagen's reason for meeting her first love, Taiyou-kun, was... In order to prey upon him?!
This is the start of a "Predacious" Slice-of-Life Rom-Com!

The story is of a masked boy, Tani, a strong young man, who has a crush on a girl named Shima Rihoko, the school volleyball star. He gets into trouble trying to get her attention, besides facing the thugs of the school. He’s a very jealous guy, and will not let anyone get close to Shima-san.