As Yui continues her trial relationship with Ritsu, she finds her heart fluttering for this new romantie side to him, even as she's relieved that deep down, he's still the same Ritchan she grew up with. At the same time, having secretly confessed her feelings for her older brother Hayato during the team's volleyball tournament, she now believes she can begin putting those feelings aside. But while Yui attempts to resolve these feelings, Ritsu finds himself worried about the deepening emotional connection between the two long-separated siblings.
