Revenge System Online: Turn into a Cat and Win Over Your First Love

[A veterinarian male lead × a warm, healing female lead + a “pseudo” System romance quest + body swap + rekindled love, one-on-one + a light, sweet story you won't regret picking up]

After an accident, the male lead, a veterinarian, turns into the cat belonging to his first love, the female lead. The System's boomerang “sticks” the male lead with its mission: now that he's a cat, he has to win over his ex? No, no... it's not that simple!