Shoma has had feelings for Itsuki, the older sister of his close friend Dai-go, since their middle school days. Shy and introverted, Shoma finally mustered the courage to confess to Itsuki after securing a job in his hometown upon graduating from university. His feelings were reciprocated, and after several dates, today is the first time he has invited Itsuki to his apartment where he lives alone, ready to entertain her with ten years' worth of affection…?
