My Web Game Wife Is A Popular Idol Irlネトゲの嫁が人気アイドルだった件～クール系の彼女は現実でも嫁のつもりでいる～ ; Netoge no Yome ga Ninki Idol datta ken ~Cool-kei no kanojo wa genjitsu demo yome no tsumori de iru~

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.