Haimiya Is Scary CuteHaimiya Is Scary Cute.

Haimiya Is Scary Cute (Japanese: 灰宮先輩は怖くてかわいい, Hepburn: Haimiya-senpai wa Kowakute Kawaii; lit. 'Haimiya-senpai Is Scary but Cute') is a Japanese manga series written and illustrated by Sumu Kamiyama. It was originally posted as a series of illustrations on Kamiyama's X and Pixiv accounts, before beginning serialization in Square Enix's Manga Up! web service in November 2025.