Rating
S-Class Boukensha ga Ayumu Michi ~Tsuihou Sareta Shounen wa Shin no Nouryoku “Buki Master” de Sekai Saikyou ni Itaru~ Average 4.3 / 5 out of 68
Alternative
S-Kyuu Boukensha ga Ayumu Michi, S-Kyuu Boukensha ga Ayumu Michi: Tsuihou Sareta Shounen wa Shin no Nouryoku 'Buki Master' de Sekai Saikyou ni Itaru, The Path of an S-Class Adventurer: The Exiled Boy Becomes the World's Strongest With His True Ability, "Weapon Master", Ｓ級冒険者が歩む道 ～追放された少年は真の能力『武器マスター』で世界最強に至る～
Author(s)
Artist(s)
Type
Manga
This is a rare manga where every character but MC is fairly mature and reasonable about the situation, but MC has to throw a temper tantrum and then conveniently gain power.
Stay away if you like good writing.