Seiju Kuroyamino

Seiju Kuroyamino, whose aliases include Clark Vincent, The Phantom Invader, is a serial killer who committed murders across the World. His murders were notable given the excessive duration, often years, of integration into the community performed prior to each hit.

Murders
Feruccio  'Bobo' Claw folllowing 8 years of integration into

Airen Sanzyuda following 6 years of integration into Kaiden.

Background
Seiju Kuroyamino then occupied Kaiden, posing as stonemason Clark Vincent, and lived there for 6 years. He seduced Airen Sanzyuda, a daughter of the rich and prestigious '''Sanzyuda Conglomerate. The two were married and had a son, Kai Sanzyuda''', who took his mothers' name as a result of the families' prestige. After 5 years of impersonation, he killed his wife and kidnapped his son. After 2 years of torture, he left his son for dead and left for Merivo.