Off Stage Love Side summary:

5 years ago, high-schooler Tomoya faked his age and tried to get laid at a gay bar. While the attempt failed, he never forgot the man he had encountered, Kei. After being told he was attractive by Kei, Tomoya went on to become a famous idol in the group INCITE. After an incident with a stalker, Tomoya got assigned a personal bodyguard, who turned out to be none other than Kei?!+