No Returns After Use

Baek Chunho seeks to get revenge on Shin Jaehee, the man he believes raped his younger sister, by giving him a taste of his own medicine.
However, when he finds out that it was all a misunderstanding, he nervously goes to Jaehee's house to apologize...
"Hyung, I thought about it and... I think I'm gay!"
For a situation where a police report wouldn't even be enough, he wants to date me instead?
What the hell is wrong with this guy...?