Koori no Mamono no Monogatari - Vol. 1 Ch. 1 - The Ice-Cold Demon's Tale

[MangaDex]

 

[monozuki]

*slow clap*

Also, Ishuca is probably one of my most beloved characters, ever. He's silly, intelligent, gentle, tough, strong-willed, open-minded... just a total cinnamon roll. No wonder Blood goes insta-I-protec the moment he sees him. Heh heh