Unsuccessful in getting his work serialized in a shounen magazine, struggling manga artist Susumu is advised by his editor to try drawing BL instead. He feels disheartened, thinking he is finally being ”designated for assignment,” when his junior Minoru comes forward with a suggestion to start dating for the sake of research. What starts as purely research becomes something more, as Susumu finds himself captivated by Minoru's sincerity...

Tsubasa, the distinguished son of a famous musician, has secret masochistic tendencies that he struggles to comes to terms with. When he chances upon Masaki, a man who meets people with his fists, will Tsubasa finally be able to understand his own desires?

Ryuugasaki Kou is as fat as a meatball, and has a huge crush on his high school senpai, Hiiragi Chiaki, who calls him "Oniku-chan". On Chiaki's graduation day, Kou finally works up the courage to… not quite ask him out, but nevertheless he is horribly rejected! After working to lose all of his weight, Kou is now new and improved, but when he finally runs into Chiaki, he discovers that Chiaki is and always has been a chubby chaser?!

Shy, nerdy Komatsu Kaede has never had any friends or lovers, and on top of that he is plagued by low self-esteem and problems at his job. One day, when his life is at an all-time low, he accidentally and impulsively enlists the services of a male escort. This turns out to be the first of many meetings with the beautiful, charming and self-assured "Sakura"…