The night Yuki was dumped by her boyfriend, she gets drunk at a bar and stays the night at a hotel with a man she had just met. After a heated night together, she wakes up clueless of what had happened. Angry at the man for teasing her after he pretends to propose to her, she tries to dispose of the ring. Unfortunately, due to a fall, she winds up at the hospital where her doctor is the same man from that night! Enticed by her moans, his teasing continues.