Miki's best friend, Rio's mother, tsukiki is divorced by bisexual, and now lives with two people. The one parent, who was disgusting against camellia, attracted her affection. The one who stays at one day's house is deprived of the lips by aggressive camellia. At night, when the daughter is sleeping, the camellia notices the lesbian nature, and plunges the finger into the Mizuki of the Mizuho, and drags the overflow liquid.