Anime on AOD or Netflix where the protagonist is emotionless?

The genre can be school live, drama, horror, mystery, psycho, or something else

Thank you in advance to give everyone the answers

I've been watching anime since I was 5 and I love it when the protagonist has no emotions and a bad past

My teen romantic comedy snafu

Thanks. I already know

"Free! -Iwatobi Swim Club"

The main protagonist, Haruka Nanase, is unemotional. It's a sports anime about a high school swimming club put together by childhood friends. You experience a lot of things. There's also a film about it because the first thing I would watch is about their past in middle school.

I've seen it many times but never looked, thanks for the answer

Dororo occurs to me spontaneously, but I think you will already know him.

Yes, but thanks anyway for the answer: ')

It's a pleasure.

: D