Facing an imminent return to her home country to handle royal duties, Ruria is determined to create unforgettable memories with Yahiro. Following some misguided romantic advice from her classmate Chisa, Ruria attempts to seduce Yahiro by wearing borrowed gym clothes in the clubroom. Their passionate encounter leads to an intimate moment, but it also results in the accidental ruin of Chisa's clothing, leaving the couple worried about the fallout.