1) Yurusarenai Otoko

2) Aishiatteru Futari

3) Seigi no Mikata no Koi no Yukue (Love & Battle)

Seigo, who grew up in a village, moved to Tokyo to find a job and to fight crime (apparently he has some strange superpowers), since not much happens in his village. One day his childhood friend Touma visits him and challenges him to remind him of his mission. At least that's Touma's claim...

4) Kanoko's Story

Note: Chapters 1-3 are shounen ai stories while chapter 4 is shoujo.