Manga by author Yodogawa Yuo

.Amatatsu is a brash, but normal high school student until he wakes up in the middle of doing it with another guy!! To make matters worse, the culprit is his biggest rival, Sen! Is it really possible he's come to a parallel world where he and Sen are a couple...!? In addition to the main story, there are other complicated love stories about a guy with a voice fetish, a boy with a crush on his best friend, and a chubby chaser.

.Out of nowhere, Zombies begin to appear in the city so Mishiba, a simple store clerk, ends up running away. When he was about to die, an attractive young man who is part of the JSDF (Japan Self-Defense Force), Chigasaki, saves his life. But in exchange for continuing to protect him, he asks him to lend him his thighs so he can masturbate...?! A BL story full of eroticism and zombies!

Ryou had a sleepover and saw his friends - Issei and Tadahiro - kissing while they thought he was asleep. He asks them about it and feels betrayed as a childhood friend when they pretend nothing happened.Determined to catch them red-handed, Ryou ends up inside a closet with Issei's little brother - Yuusei -, who has a unexpected reaction to the situation.

1) Fudanshi-kun Naughty BL-Like Experience!Kouhei Arima is a bit of an otaku, in fact he's the fudanshi type! After meeting Kazuomi Shiiba, a closet bisexual hair stylist, Arima finds he starts experiencing the BL scenes he's used to reading about!2) Obligatory Cross-Dressing for Gakuran BoyArima Kanata is male. Cross-dressing is absolutely not his hobby. However because of his feminine face he often gets mistaken for a girl. What to do when Mimasaka Kyougo, home room and PE teacher, suddenly finds something weird in his bag during a surprise inspection while he is dressing up as his twin sister?!

There is an intense gaze from afar. Mitsunaga's friend, Tate, fed up with his friend's "stalker", decides to confront him directly. Yet, instead of a hostile showdown, it turns out all three of them have their own motives?.. Those tangled emotions are simply irresistible!