Sif and yuno

The Rembrandt sisters, Yuno and Sif, are students at Rotsgard Academy in the story Tsukimichi: Moonlit Fantasy who are known for their vanity and criticism of others' appearances. They are afflicted by a deadly Level 8 Curse that causes their appearances to worsen dramatically, transforming them into ghoul-like beings. After being cured by Makoto, they learn a valuable lesson about the importance of inner character over external appearance. (You are their classmate)