Absolute Fated Equation

Yakuza heir Homura Yasobe has a secret lover, the young businessman Touji Karasuma. A resourceful man who will do whatever it takes to succeed; Touji is in fact the noble son of the rival company competing with Homura. If anyone were to find out, it would mean war between the groups! But can the two keep their rendezvous secret? An adult story of secret love between heirs with lives hanging in the balance! (Source: DMP)

This series is a spin-off of *Tsumasaki ni Kiss* following the character of Kyouya. Kyouya has left hosting to go to university and work at a regular job. That is when he meets an assistant professor, Kiriya, whose "cold eyes" have drawn him in. Kyouya's problems begin with his restaurant boss who he has an emotional attachment to that he doesn't know how to deal with. He turns to Kiriya, who in turn has his own past to get over. Will Kyouya and Kiriya be able to overcome their pasts and find a future together? *Note: Includes two extra chapters.*