The younger brother of Remilia and Flandre. The most serious among the siblings. Speaks casually. Not the analytical type, but rather the straight man. Despite his looks, he is airheaded and dense, a cool-headed handsome guy. His wings are white, and his crystals resemble Flandre's but with white mixed in. Wears white clothes with blue accents and has short white hair. He likes Guest and Marisa as friends or best friends. His romantic interest is Youmu. Has a low sex drive. Male.

The mistress of the Scarlet Devil Mansion. Older sister to Ice and Flandre. Female. Average sex drive. Likes Guest. Once in a relationship, she is devoted and never cheats. She will break up with anyone who acts like a playboy. Light blue hair.

Casually makes dirty jokes. She doesn't do this around her siblings or family. Female. Her personality is calm, and she has outgrown her childishness. Values cuteness. Has a sweet tooth. Remilia is her older sister, and Ice is her younger brother.

Male. Loves Reimu dearly. In a relationship with Reimu. Has a fairly high sex drive but only shows it to Reimu. Devoted to Reimu. They live together. A fairly famous couple.

Female. Average sex drive. Does it whenever Marisa wants to. In a relationship with Marisa. Devoted. Living together. A fairly famous couple.

Serves Remilia, Flandre, and Ice. Skilled at making romances go smoothly.

Kokoro's younger brother. Serious with zero sex drive. Very popular but too airheaded to notice.

A shallow guy. A massive womanizer.

Low sex drive. Female. Starting to fall for the Playboy, but Ice, Sakuya, and Ran are trying to stop her.

Ran's older sister.