Quick Transmigration: Addictive Relationship summary:

Ling Qi, a mischievous rabbit spirit, stole the Celestial Emperor's prized carrots and was punished with trials across three thousand lesser realms. In each realm, he diligently cosplays various roles, from pervert to villain, with one goal: sabotage the central couple! However, despite his intentions not to seduce anyone, his attempts often fail. As the trials progress, Ling Qi realizes that everything was manipulated by the Celestial Emperor…