Rika talks to Naoya casually in class so Saki jealously insists he stay by her side, though Naoya mistakenly believes Saki is just lonely. While escaping Rika, they are forced to change for PE in the same room. Nagisa lures Rika to the roof with the photo she kept proving Milika is a student at the school, allowing Saki and Naoya to escape. Later, Nagisa admits to being jealous Saki and Naoya got to be close all day. Saki offers to leave them alone so they can cuddle, but Naoya insists she stays to watch. Saki is surprised watching makes her excited and wonders if she might have an NTR fetish, so she punishes Naoya...