doujinshi : [Eight Beat (Itou Eight)] Heikou Uchuu No Mad Scientist
[Eight Beat (Itou Eight)] Heikou Uchuu no Mad Scientist
Link
/r/doujinshi - hentai with a storyline
original: https://reddit.com/r/doujinshi/comments/5hmv83/eight_beat_itou_eight_heikou_uchuu_no_mad/