Based on the most popular character of Aoki Hagane no Arpeggio. The story of Takao who weaves drama with various humans during her infiltration into Yokosuka.

The comedy spin-off story focuses on the Spear Hero, Motoyasu Kitamura. At the brink of death he acquires the power to turn back time, and decides that he'll use it to become stronger and start a "new game."

"To pass time before surgery, Hwayoon read a romantic novel for some steamy scenes.

Little did she know this would lead to her reincarnating into the story as an insignificant maid that's executed soon after. The goal is to survive, but things get out of hand... and steamy.

Kurokiya Ruu is on the verge of repeating a year so her childhood friend Tadashi Tadao (whose name literally means straightforward man) steps up to teach her. However, they end up not getting any studying done as she uses this situation to try and seduce him at every turn.

The story of a girl who wants to get her crush flustered and the straightforward guy who won't get embarrassed.

Souhei embarks on a trip in the gigantic labyrinth that suddenly appears in his basement. But it's an extremely special dungeon where the only way to become stronger is to do lewd things with girls and increase Lv (Love)! The story of a young boy who explores and does lewd things with women!

When their mother passed away, the Mochizuki family's eldest daughter Yuka tried to take care of her father and siblings as best she could, but her cooking was just too awful. When Yuka's father accidentally tasted an amazing bento, he hired the person who made it to be a domestic helper. That person turned out to be Kuraku, the blonde-haired delinquent (but with the best grades) in Yuka's class! Based on the popular Pixiv series!

Tatara Tani is an average high school first year, both in terms of grades and athleticism. He has two childhood friends that attend his school, and they're twins! The elder sister Ranko is a flashy gal, while the younger sister Yuriko is a popular idol. They had slowly become distant from Tatara, but even so he always secretly held a crush for Yuriko. One day, Yuriko suddenly asked him out on a date. This date was the beginning of a secret relationship between the twins and him!

In the year 20XX, Japan began exchanging ideas and cultures with other worlds. One day, a beautiful elf moves into the apartment next to Keita Inudo, a high school boy who aspires to be a Mangaka. But she won't be the only girl to push herself into Keita's daily life! Will he be able to cope with all these sudden appearances while keeping his home, his career aspirations, and his sanity intact?

Kang Haru, also known as Kay-D from the popular idol group ‘Miracle Knights’, is running away from his life of fame… but what will he find on this charming little island?

A fierce-looking yakuza x a sadistic dentist.

Celebrating 20 years of work by Kentaro Yabuki.

Harukaze Hino is not confident about her appearance. Her classmates call her "ugly" and make fun of her for the way she looks. But then, a delinquent boy in her class, Kurobane Raou, tells her that she's "cute"?!

Kaname Aizawa and Shiina Hinami are classmates, one day the two bumped into each other, breaking Kaname's glasses and scattering Shiina's belongings. Kaname helped her and accidentally opens her secret notebook, attraction begins between them.

After graduating high school, Kurumi and Sawako enter the same course in university. Kurumi invites Sawako to a mixer that she wasn't interested in, but they end up meeting some strange men... The one who appeared in the nick of time to save them was "Big Brother Eiji". It turns out he is Sawako's cousin...
Suddenly, Kurumi's "soulmate" appears...?!

For 6 years, Kouta has been harboring a secret crush on his childhood best friend and well-known playboy Haruto. All this time, he's accepted that his crush will stay just that, unrequited. However, one day, it seems like Haruto has noticed...? Little by little, their relationship is changing!

Keitaro Satou is 30, successful at his job... and single. With worries about his future, he decides to have an arranged marriage interview to appease his family, yet while his prospective "wife" is a beauty, problems are bound to pop up!

Kouga is a flawless high school girl. She is sweet, gentle, and beautiful. Mochida, her classmate, likens her to a Disney princess. The only oddity she displays is that she rarely takes off her mask.

However, one day, Mochida sees her without it, and discovers that the Disney princess actually has a secret…

Regular high school boy Toru Takahashi is in love with high school girl Yuri Otogane, but she’s not really into guys. Toru decides to win Yuri’s heart by embracing his feminine side so he enlists the help of one of his “girly” friends, Toranosuke Sagara, to help develop his sense of beauty...

My name is Torii Nozomu, a plain, inconspicuous, introvert. Then a new transfer student, Kirishima Kyoko, came to sit next to me. She's cute, kind, and for some reason, she proactively talks to me, even though I'm a a nerd! A true saint.

...But I want to get involved with her as little as possible. It's because she's haunted by a "ghost" that only I can see! --She's a little naughty, extremely pure and, in some cases, horrifying!
A romantic comedy about a "haunted" girl and the "unlucky" me that gets your heart racing is about to begin!

Omnibus series about several lesbian marriages.