成山 誓吾

The sensible sniper and strategist of the family.

Always troubled by the financial side of things, he serves as the voice of reason for the family and doing his best to keep the troublemakers in check.

His vision has been significantly enhanced, giving him an edge as a sniper.

Wears glasses because his enhanced vision is overwhelmingly sharp for everyday life.

Part of the Shinonome-gumi