Yankee/Yakuza Yaoi

Uke (Tanaka) admires Seme (Gouriki) - both are Yankees - Uke got into a relationship with his admired 'Aniki' (seme), after witnessing a 'session' between the seme and another guy ~ a bit of stalking on the uke's end

Part 2 (Ch 4) - Past of Seme being an uke

Seme (Yankee) witnessed his new, mellow teacher (uke) punch a student when they were about to 'attack' him (uke); to keep the seme from telling someone, he (uke) took a pic of his o-face.

Akane (Uke) debuted as a (weak) delinquent and was saved by Kurokawa (Seme) and Ryouji (side character). Akane originally admires (more like loves) Ryouji but when he was gone due to a certain incident, Kurokawa takes the chance to *get it on* with Akane.

Ayato (Uke) enters a delinquent school and was save on the first day by the school's top delinquent Horiguchi (Seme) and was marked as his property. Ayato has a strange power when he removes his glasses, he becomes extremely attractive to those around him.

Yuuya (Seme & Originally Straight) got tricked by his friend to take on his loan, when the loan collector came he was saved by Kurose (Uke & Yakuza leader), who repaid his debt for him, in return Yuuya is forced to become a "toy" for Kurose's desires.

Ryuu (Uke) and Kagetora (Seme) are rival leaders of gangs in their high school. One day, after Kagetora helped Ryuu, they had a chat in the nurse's room. Somehow a chat escalated to a "session" (─‿‿─)

Taiga (Uke & Delinquent) woke up in the hospital after a fight and his admired Aniki, Ryuu (Seme & Delinquent) disappeared during that time. After some time, Taiga finally found Ryuu, who is now a kindergarten teacher, stays at Ryuu house in return, Taiga promises not to fight anymore. Things get a bit hot as the cohabitation progresses. ≧◡≦

Main Story: Kuma is an Omega, one day while fighting with Hachi, an Alpha, his heat appears all of a sudden and when he tries to reach for his medicine he gets pushed down?
Side Story: Mitsurou is the caretaker of Hachi and a secret omega. Upon meeting him, Suzume, Hachi's childhood fiance (male-Alpha), fell in love at first sight, not knowing he's an Omega, until.....their alone on a mountain......(¬‿¬)

"The thing I picked up by chance... It was connected to my classmate's xxx?!" The school Matsuki entered is a school full of yankees. Upon being saved by Saeki, the strongest yankee in the school, Matsuki later picks up a m*sturbation tool that connects to the a** of whoever he thinks of. ( ° ʖ °)