As Valentine's Day draws near, Hosaka continues his attempts to convey his affection for Haruka through culinary delights. Meanwhile, Mako-chan, who cross-dresses, anxiously navigates the fear of being exposed. Kana takes on the role of a 'sensei,' guiding the girls on strategies to triumph in Valentine's Day festivities, while Fujioka finds himself in a desperate quest to secure Kana's chocolate gift.