Love Mode Series by Yuki Shimizu

Another 100% Aoe-Naoya focused volume! Naoya has just gotten into a prestigious high school and is thinking this is the happiest time in his life. He's also starting to realize that he might just be in love with Reiji, his mentor. While Naoya has his eyes on Reiji, it seems someone has her eyes on Naoya. Reiji keeps denying his feelings for the young boy and seeing him asleep on his bed does not help. How much longer can Reiji deny his growing love?

Follows couples and characters who visit the Blue Boy, an exclusive male dating club.

When Tien Shue's brother is injured and in debt, he has nowhere to turn but to Aoe Shougo. When he becomes Kiichi's personal bodyguard, what cruel manipulations will Tien Shue see from Shougo? And then Izumi and Naoya turned into animals!