The ugly lizard child and the fallen former sword saint
Minikui Tokage no Koto Ochibureta Moto Kensei: Ijimerareteita Tokoro wo Tasuketa Henna Tokage wa Sei Ryuu no Aka-chan Datte node Seirei no Shugosha ni Naru
"Kukuku...... Yatsu wa Shitennou no Naka Demo Saijaku" to Kaikosareta Ore, Naze ga Yuusha to Seijou no Shishou ni Naru·「ククク……。奴は四天王の中でも最弱」と解雇された俺、なぜか勇者と聖女の師匠になる