Kazuto Ayanokoji is an ordinary high school boy.
He spends his days playing online games as a hobby.
One day, he discovers the true identity of a friend who is so close to him that they are married in-game.
It turns out to be a cool idol from the same class, Rinka Mizuki.
As Rinka tries to act as his wife in real life, Kazuto is forced to lead a dizzying life.