Takumi lives next to Mizuki and Satsuki's house. They have been good friends since they were kids, going shopping and skiing together. One day, Kazuyoshi, Takumi's father, brings two girls, Saori and Yui, back to their house, and accepts them as new family members. At first, he is confused, but gradually becomes closer to them. Mizuki gets impatient, and begins to approach Takumi boldly. And Satsuki falls in love with Takumi as well. The winter holiday starts... The days full of sex with Takumi... From "like" to "love"... "I love you. I'll do whatever you please." A love story full of love and desire starts now...