E8. Wash It All Away on a Stormy Night

Upon inducing a case of "Puberty Syndrome" where two copies of herself exist, Rio ends up staying at Sakuta's house for the time being. Meanwhile, "the other Rio" has been busy posting various unexpected photos on social media. After being informed about these activities by his classmate, Saki Kamisato, Sakuta decides to have a chat with "the other Rio."