Trouble Quest (Virtual Game)

Trouble Quest is a virtual game originally developed by Lala Satalin Deviluke but she abandoned and forgotten about it. Later, Lala's little sister Momo developed it further and finally completed it before using it to test Rito Yūki if he's worthy to be Lala's fiance or not.

Players and Participants

 * Yūki Rito
 * Sairenji Haruna
 * Yūki Mikan
 * Kotegawa Yui
 * Murasame Shizu
 * Nana Astar Deviluke
 * Momo Belia Deviluke
 * Lala Satalin Deviluke
 * Momioka Risa
 * Sawada Mio
 * Mikado Ryōko
 * Tenjōin Saki
 * Kujō Rin
 * Fujisaki Aya
 * Run Elsie Jewelria

Trivia
In the PlayStation Vita game To LOVE-Ru Darkness: Battle Ecstasy, Rito has to travel to an upgraded version of the game called "Trouble Quest 3".