Oniisamakata, Goranshin!

Yukiya, the eldest son, is a gentle-mannered man who wears glasses but happens to be a SM fiction writer. Kousuke, the second son, is a handsome youth with a cherubic face, yet he is a top-rated host. Masaki, the third son, is a highly sought-after idol, but his impolite behavior involves teasing everyone. Despite their contrasting personalities, the three elder brothers pamper their youngest sibling, Miyuki, to the point of being overprotective. Miyuki, in an attempt to evade their incessant attention, devises a plan, but what happens next?