Tsuihou no Kenja, Sekai wo Shiru ~Osanajimi Yuusha no Atsuryoku kara Nigete Jiyuu ni Natta Ore~

The wizard Haru spent his days being abused by the hero, his childhood friend Leticia, when one day while being scolded he thought to himself, "This is no good". And thus began Haru's adventure to regain his true self!