Yuiitsu Muni no Saikyou Tamer
Alternative title: Yuiitsu Muni no Saikyou Tamer: Koku no Subete no Guild de Monzenbaraisareta Kara, Takoku ni Itte Slow Life shimasu, 唯一無二の最強テイマー 〜国の全てのギルドで門前払いされたから、他国に行ってスローライフします〜,
Story Overview
Kohaku, is a tamer however doesn't have beast supporters. Treated as uncouth, he was really the main human who could tame a "ghost monster" that conventional individuals couldn't see. A Tamer's experience with the most grounded beasts starts!