Obsessed with the Mature Teacher: Cosplay and More

A comedic adult adventure game in which a serious, strict mature female teacher named Kisaragi Ryōko develops an instant crush on the protagonist after he saves her from a fall on the stairs. However, the protagonist has a schoolmate he already has feelings for. The game presents a simple branching narrative with adult content where the teacher desperately attempts to seduce the younger male protagonist through various means, including daily selfies and cosplay scenarios. Gameplay includes mini-games reminiscent of idle games and van-survival mechanics, as well as event scenes with different outcomes based on player choices. The story's ending varies depending on whether the player pursues the teacher or remains faithful to his schoolmate crush.