"I won't make you feel lonely anymore..." Spring has finally come for 27-year-old Yuki, who hasn't had a boyfriend for seven years! Sato, the junior who confessed his feelings to her, is cute, kind, and very gentlemanly. Maybe that's why Yuki is worried that they haven't kissed yet after a month of dating. "Actually, I want to do something a little more naughty...!'', she thought, but waited for another two months -...and he wouldn't let her touch him at all!! Just then, on the way home from work, it suddenly started to rain heavily. They ran to take shelter from the rain and ended up at a love hotel!? At his suggestion, she decided to take a break...?