In Shota's best friend's house, there was a nearsighted, studious older sister named Ai who couldn't see anything without her glasses. When the mischievous Shota snatched her glasses, Ai's butt suddenly turned into a pudding! A divine butt god descended. Feeling a sense of mission, Shota decided he couldn't let this butt, which was so amazing, go unappreciated and transformed the older sister!
