The opening ceremony for the new semester sets the stage for Yuu to find herself the disciple of a freshly graduated Yuuichirou Akagi who shocks class 5-1 with a test to appraise their academic prowess; if that tactic by itself is not enough to raise red flags like with Mamoru, Yuuichirou makes a house call to the homes of the students that fail the test -- a population comprising most of class 5-1. Upon having this explained to her, Natsume decides to flirt with Yuuichirou when he comes for a visit; not long after he arrives, Yuuichirou wastes no time getting right down to business with Yuu's academic performance becoming the forum for a hard sales pitch to a cram school in which the other students are not thrilled about Yuu's presence or her affinity for pacing herself...