After losing her husband, Kana has been raising her daughter Mayu. She's currently dating a man named Soshi. He's skilled in bed and above all, a gentleman. Kana has already made up her mind that this is the one. One day, Kana decides to introduce Soshi to Mayu. Soshi readily agrees, saying "Sure, I'll say hello." Things progress smoothly, their meeting goes well, and everything seems to be falling into place. However, one night when Mayu is alone, Soshi unexpectedly shows up...
