Unassuming 20-year-old cutie, Yumi, innocently joins a Tokyo foodie date, expecting nothing more than a meal with a stranger. However, the night takes a steamy turn as they dine with a view of the city's sparkling skyline. Yumi's companion, captivated by her genuine charm and unexpected allure, suggests an impromptu hotel visit. Initially hesitant, Yumi agrees, and their passionate encounter leaves her with an unexpected, creamy souvenir.