Yuuta kept being sex friends with Souichi, his big brother’s friend, due to his long-running unrequited love. But their relationship becomes painful for Yuuta after he starts suspecting that Souichi is in love with his big brother.
Tamatsu Tsuzuri is a worn out part timer who has a history of getting mixed up with the yakuza. As he was walking home, exhausted after a tiresome day and even being robbed, he found an injured man in the dark alleyway. Even though that man looked dangerous, Tsuzuri still brought him home and treated his wounds. In order to repay his kindness, the injured man named Cinq, a former assassin who is now being hunted by his ex group, decides to be Tsuzuri's bodyguard and stay with him.
In the present day where humans and werebeast are living in harmony, there is something that has been bothering Matsumoto, a Kishu weredog, who actually likes cats. It's about a male calico cat that kept appearing when he was feeding the cats near the school as part of his daily routine. And… there's also the fact that he finds Sasaki, a student from the same seminar, to be cute. One day, he found out that Sasaki is a werecat as well as that calico cat.
Ryouhei and Yuuma finally got together and it's been half a year since they’ve started dating. Yuuma has made a new friend, and seems to have gotten close with him. Ryouhei has become jealous of this. He can't help but think that Yuuma, who tries his best to convey his unwavering feelings with his whole body is cute. Ryouhei, who should have been a playboy, finally comes to the realization that he can’t let go of Yuuma anymore.
Prequel: Oreshika Shiranai Karada
I open my eyes one day and find myself lying on a huge bed in a room I've never seen before. "What am I doing here?!" Just as I think that, a bunch of handsome demons show up, as if they stepped straight out of a fantasy!!! Time to say goodbye to my boring former existence, and become... the strongest and sexiest evil god? The story of a wide-eyed, ordinary businessman's reincarnation into a parallel universe with a hot, demonice, homoerotice reverse harem begins!!
It's been half a year since Naoto and his best friend, Toudou, became lovers. After many twists and turns, their relationship is going so well that Naoto stays at Toudou's house every weekend!!! Although their relationship is out in the open, the two decide to have a proper talk with Naoto's mother. However, the situation rolls in an unexpected direction...
Prequel: Netsuai Nante Ariemasen!
Sequel: Saiai Nante Yuzurimasen
Two endearing awkward men. Once they come face to face, Younosuke and Suzunari, both heirs of long-established tailors, immediately throw unpleasant sarcasms at each other. Just when Younosuke thought that their quarrelling relationship would go on forever, he was told to go for a marriage interview!
At a club Asahi fatefully meets someone, who looks just like his ex-boyfriend whom he had been dating for 3 years. Dead drunk and his pheromones running wild, he escaped to a hotel with him. The person was actually a senior from his university. And his ex-boyfriend's twin brother. To be annoying, Akiomi asked Asahi to “pretend to be his lover”. Despite the bad first impression, Asahi feels his heart flutter by the forceful, yet gentle Akiomi.
Ares the Knight, with red-eye gaze fixed upon me, was my favorite “game character” that I casually created based on what came to my mind. He should be a 2-d character I jokingly flirt with, and yet that “Ares” flew out of the screen and right into my room! He kissed my hand, and then as his face drew near, my heart began to flutter… He’s the perfect character I created, you know!!! I’m falling in love with this handsome knight who is exactly my type...
In a world of people evolved from cats, where both males and females can have children... My cute, sweet Noris has adored me ever since he was little. As kids, we even promised to get married. I decided to become a chef to feed him delicious foods and make him happy forever. But one day, I see him smiling at some guy I don't know. I thought that smile was only for me...!!
Spin-off: Koubutsu wa Ichiban Saigo ni Hara no Naka
Spin-off: Koubutsu ha Mayonakano Uchini Haranonaka
Before I Close My Eyes