Responses
I don't dislike their relationship entirely since there's no detailed backstory. He's not entirely to blame, but I wish he hadn't entered into a relationship with him because he's still in high school. What is his age anyway?
At ages 16 to 18, one's mind is still developing and can be unstable. Young minds are often unsure of their decisions.
story would've been perfect if the side couple was kazumi and masayan... why did the author give such good character development to masayan just to leave him alone and absolutely no character to the old dude whose only personality is being a pedophile