Miki - พี่ชายไม่แท้เป็นสัตว์เลี้ยงตัวโปรด (ตอน 1)

Miki, who has grown up to be a fully grown woman, has an older stepbrother who is an irrepressibly dirty ronin student who lurks around the house all the time, peeping on her masturbating and having sex