Kamishiro Misuzu no Mabataki

Overview

A high school student, Inukai, had a heart for his friend, Misuzu Kamishiro, who had been separated when he was a child. One day, the Misuzu transfers to the Inukai class. With a nostalgia approaching Misuzu, Misuzu exclaims, "Don't bite me!" During the few years I didn't meet, Misuzu became "Saiko", an incompetent person who could hear the voice of the dead and understand. Appealing fantasy works by up-and-coming young artists!!

Source: AniList