Love - who with who? broken heart

Ryu is sleeping with his college professor, but doesn't feel loved, so he decides to kidnap his professor's son, Hayato, out of revenge. As it turns out, Hayato's relationship with his father is not very good, so he winds up living with Ryu.<br ><br >The doujinshi called "Nezi no Kaiten - EX", (done by the mangaka) begins when they start living together. It was released inside the book -6mm no Taboo.

Kiyonaga Akane is a new delinquent who’s weak at fighting but has a strong will. One day, he gets beaten up by Yankees from another school. Suddenly his hero – Kidou Ryouji saves him. Ryouji is always with Kurokawa, his best friend. Akane and Kurokawa don't get along. But after his crush Ryouji gets suspended, Akane starts to realise....does Kurokawa like him?

Since 5 years Mitsuru is in a relationship with Kouichi. After not seeing him for 3 months it reveals that Kouichi is going to get married. At his favorite bar, Mitsuru tells all his sorrow Shougo, a bartender. Suddenly Shougo confesses that, for a long time, he is attracted to Mitsuru. Can Shougo make Mitsuru forget his ex?