Aika Sumeragi using a stun gun. A stun gunis a non-lethal weapon designed to incapacitate a person using an electric shock. It can also be use as a melee weapon. This article is a stub. You can help AIKa Wiki by expanding it. Retrieved from "https://aika.fandom.com/wiki/Stun_gun?oldid=4842" Categories: Article stubs Items Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.