Hisao also doesn't take advantage of Rin after she's kissed him while high on codeine, even though she's only wearing panties and an unbuttoned shirt with no bra.
Hisao even comments to himself how wrong it feels to be in such a situation.
In Hanako's route, he refuses to take advantage of her after a night of drinking, even though she was openly making advances while drunk.
After being thrown into a new beginning, the chaotic circumstances have forced Hisao to rethink his apathetic disposition, especially regarding things like life, friendship and future. Troubled over his months-long stay at the hospital after his heart almost gave out and trying to adjust to his new surroundings, he is trying hard to find his place in the world. It would be a mistake to just resign myself to thinking that." Its a fresh start, and my life isnt over. "At least I still have something even if its a special school, its something.