Story about two brothers. The older brother is successful while the younger one (Yuuya) is less than his older brother. Yuuya goes out at night to have sex and after some time he stopped having sex with women. He goes to a shop called hole in the wall. The receivers ass is displayed through the wall so that the customer can have sex with it as they like. The receivers face is not shown. Anyway, one day Yuuya notices while thrusting into a ass that the mole on this persons wrist is similar to him
Kuroki is a erotic novelist while Nakahara is his new editor. In order to help him with his story, Nakaharha had to ride the train with a vibrator in him then describing how it felt to Kuroki. Nakahara does this since he is a huge fan of Kuroki's novels and would do anything to help him
Susume is a total and utter masochistic bottom. He blows his nights having fun with guys, no strings attached. His crazy lifestyle then catches the attention of his childhood friend, Momo. Susume knows this and also the fact that Momo likes him, but he pretends to be oblivious. But one day, Momo tells him that he's always loved him. And Susume's response to that was, "Let's try going out once", but... -
Koitomo Triangle