amu, who ran away from home after fighting with her older brother and barged into her brother's friend's house. amu barges in on her own, and starts cleaning on her own, saying she'll serve as a thank you for letting her stay. if you get an erection when you see amu cleaning with her ass exposed and shaking her huge breasts from her cleavage, amu notices and touches your crotch, saying "it seems my service is better, isn't it?"