JoJo no Kimyou na Bouken: Mugen no Ou
ジョジョの奇妙な冒険 無限の王
Synopsis
Set between Battle Tendency and Stardust Crusaders in 1973, a research group from the Speedwagon Foundation is dispatched to Antigua, Guatemala under Lisa Lisa's orders to investigate the identity of a serial killer with an unknown power. (Source: JoJo Wiki)
