Yurei Kozo ga Yatte Kita!

Author: Yudetamago

Run: 1987–1988

Chapters: 42

Genres: Action, Horror, Supernatural

A volcanic eruption breaks the seal that held 108 evil yokai in check for two hundred years. Twin brothers Momotaro and Kintaro return to the world with the mission of stopping them; attending middle school by day, the pair merge into the righteous yokai Asa Doji and take on foes ranging from Japanese monsters to Western horrors like vampires.