Zatsuyou Fuyo Jutsushi ga Jibun no Saikyou ni Kizuku made - Vol. 5 Ch. 20 - The Guild Master

[colorlesseatstomboys]

So is it like a split personality.
He genuinely believes he's dogshit and when pushed to accept reality, the real one comes out and stops those efforts.
Well, atleast this one(manga) gives a DECENT REASON for him acting like that.

 

[Highorse]

whole ass fucking baki character