Ryuuji might seem like his normal self, but after making things official with Amane at the fireworks festival, he s savoring every moment he gets with Amane. The joy of being with one who loves you is something special which makes it that much worse when a fluffy-haired senpai from another class sets their sights on his Amane... Aquariums, misunderstandings, and the first twinges of jealousy are afoot in volume 3!