HYPNOSISMIC -Division Rap Battle- Rhyme Anima S02 E04 There is little success where there is little laughter.

A huge man named Ondoriya challenges Sasara Nurude, Rosho Tsutsujimori, and Rei Amayado—Osaka Division's Dotsuitare Honpo—to a rap battle. An accident during the battle causes Ondoriya to lose his memory. Sasara and Rosho try to help him get it back!