After dating for a year and three months, Yuuya Aida calmly suggests to his beautiful girlfriend Rio Aihara that they should move in together. Despite their busy work schedules and age difference, their love stands firm. Even now, whether they're playfully bickering over dessert or having serious discussions about their future, Yuuya and Rio still feel giddy around each other as if they just started dating. Their delightful everyday exchanges demonstrate the undeniable joy of being in a loving relationship.