Tsuihou sareta Onimotsu Tamer, Sekai Yuiitsu no Necromancer ni Kakusei suru  

An S-Ranked Party's Burden Tamer, I Awoke My True Power by Having My Familiar Killed ~The Exiled Tamer Is Actually the Only Necromancer in the World. Unknowingly Becoming the Strongest While Enjoying This Excess Power~, 追放されたお荷物テイマー、世界唯一のネクロマンサーに覚醒する

The S-ranked party is renowned for their exceptional abilities as magicians, swordsmen, priests, and knights, displaying remarkable teamwork and determination. However, despite being highly acclaimed, the group's members express dissatisfaction with Randall, who they consider a burden and useless. This party consists of individuals known for their genius-level intellect, exceptional combat skills, spiritual prowess, and chivalry. They have achieved great success due to their remarkable teamwork and unwavering dedication. Despite being widely admired, the members of this illustrious group are unhappy with Randall's performance, which they perceive as inadequate. As a result, he is ultimately removed from the party just when he was beginning to gain influence and discover his true potential. Seeking revenge, Randall embarks on a journey to hone his abilities and prove his worth to those who once dismissed him.