Yuuta Asamura is still figuring out how to interact with his new stepsister, Saki Ayase.But after finding they have more in common than expected, the two reach a comfortable equilibrium.Things start to get out of whack, however, when Saki fails one of her exams and asks for Yuuta's help.Then Yuuta's attractive college-age coworker, Shiori, invites him out on a date, and Saki finds a strange new emotion welling up in her heart...Just what is this feeling?
