What the actual FUCK, 5he least they could have done was show gin getting beaten up for leaving him

I was all here for the boyfriend part, but the ending was depressing as FUCK
Pls tell me there a 0wrt two that shows him perhaps dumping him
I don5 usually want someone to get dumped 5his bad in a bl before but DAMN Σ(っ°Д °;)っ