Do you remember your promise to have sex with me again?

Straight man Atsushi Seno is embraced by an older gay man, Hidaka. It all started the night his friend took him to a gay bar. When Atsushi drunkenly expressed his dislike of gay men, Hidaka, who was there, 'punished' him - he was given a melting kiss, made to come until he was sorely tempted by his superb technique, and promised a physical relationship if he didn't get his way. He is a man who is always teasing Hidaka, but sometimes shows his gentleness, and you can't help but fall in love with him. ......?