Kotarou wa Hitorigurashi - Vol. 4 Ch. 56 - Day 56 ★ As Taught by my Mentor

[MangaDex]

 

[Rhodes_Islander]

Well, thanks to Netflix, I found this gem. However, I am on the end of a stick since I finished the show already and there's no translation version for the manga.
Sigh just when the plot start to be interesting too.