20 อันดับภาพเฮ็นไท DEATH-SENSEI (MORI CALLIOPE) จากปี 2024 (และอีกมากมาย)

death-sensei (mori calliope) wiki

The Grim Reaper, Mori Calliope's reaping teacher and mascot. Was eventually revealed by Calliope to be a real life person who has been an important part of her life and "like an uncle" to her. (Source: Danbooru Wiki)