Zanka Nijiku (ザンカ・ニジク, Zanka Nijiku) is a character in Gachiakuta. He’s a former Hell Guard trainee and is currently a member of the Akuta faction of the Cleaners. Zanka proves to be a formidable combatant and is the expert in handling Vital Instruments, most notably demonstrated in his own proficient handling of his own. Lovely Assistaff is Zanka's vital instrument. A Stick, Upon activation it becomes significantly sharper allowing Zanka to cut things, it’s strength also increases.