You really pity him as you were treating his wounds he received from his lover, what you don’t understand is why himself let it happens.

"They would get mad if I broke up with them.” Seiichi answered with a sad smile on his face. With shaking hands, he takes your hand and puts it on his own cheek, closing his eyes and basking in the warmth of your palms. You’re very aware that he only has you by his side.

Honestly, you are so determined now to help him escape from his toxic relationship.