Ep. 2: Dolphin Ring Striker
Interested in their relationship now they are living together, Shinka, Sanae, and Kumin keep an eye on Yuuta and Rikka, the latter of which has ended up spending nearly all of her monthly allowance. After Yuuta reveals they had yet to even get to even hold hands, Shinka takes him to meet her friend Kazari Kannagi, who arranges for Yuuta and Rikka to go on a date. Yuuta decides to take her to the aquarium to see the dolphins, where they start holding hands. As Rikka states her uncertainty over what lovers should do, Yuuta decides that he is fine with their relationship staying the way it is for now. Later that night, Rikka meets a peculiar girl that had moved into her old apartment, in much the same way Yuuta first met her. (Source: Wikipedia)