恶魔般的小继妹是一个大屁股怪物，有着动漫般的声音，喜欢把她的继兄弟吸干！

Eimi's three older step brothers are a virgin, a recluse, and a douchebag. this is a story about making use of Eimi's big ass and wholesome G-cup body to make them into a real man.