I need help! I can’t remember the name this yaoi I read. It involves a bet leading to mu...

I need help! I can’t remember the name this yaoi I read. It involves a bet leading to mutual masturbation leading to sex and eventually a relationship. Then at the end, it winds up that one of them was in love with the other the entire time and the other one was just dense af and didn’t notice. It was so long ago that that’s most of what I can remember. It just suddenly rose to my mind again