Othellonia x World Trigger Collab Event Begins on April 21 - QooApp News

Othellonia is collaborating with world trigger, bringing tons of new collab characters to the gacha, event missions, free pulls, stamps, and free characters.

Ash Arms x Sentinel Girls Marfusha Collab Begins on June 1 : r/qooapp

QooEvents - QooApp

Othellonia is collaborating - QooApp: Anime Game Platform

Identity V x Angels of Death Collab Event Runs from May 31 : r/qooapp

Othellonia/Image Gallery, Death Note Wiki

Othellonia x World Trigger Collab Event Begins on April 21 - QooApp News

Othellonia x World Trigger Collab Event Begins on April 21 - QooApp News

OTHELLONIA Japanese - Games

Identity V x Angels of Death Collab Event Runs from May 31 : r/qooapp