Takasugi-san no Chibiyan Hero - Vol. 1 Ch. 68 - The Fired up Mad Dog

[MangaDex]

 

[nobodygattaknow]

You're about to find out what it's like to fight a real super saiyan… and I'm not talking about Goku

 

[Simpleton]

"You don't need to use much force (strength)" but "Draw out your strength by yelling". Hmm..