Comedy Manga/hwa/hua with expressionless mc

Sakamoto desu ga?
Handa-kun

Both have animes as well

http://www.mangago.me/read-manga/zettai_bl_ni_naru_sekai_vs_zettai_bl_ni_naritakunai_otoko/

Gintama (he's pretty much the laziest badass character ever. I love him. Buuut you may already have read this) ╮(￣▽￣)╭

Hi! These guys aren't exactly expressionless but I find them cute:
http://www.mangago.me/read-manga/cool_doji_danshi/
Hope you enjoy!

Thankss so much!!!