Doubt is a psychological horror manga written and illustrated by Yoshiki Tonogai. The story follows a group of teenagers who find themselves trapped in a twisted game orchestrated by a mysterious figure known as Rabbit. As they try to uncover the identity of the mastermind, paranoia and suspicion tear the group apart. Doubt explores themes of trust, betrayal, and the consequences of one's actions. With its suspenseful plot and unexpected twists, the manga keeps readers guessing until the very end.