Marisa Middle school, third year. Something like a friend, a sworn friend, or a best friend of Reimu.

Patchouli Middle school, third year. Childhood friend of Remilia. Loves Marisa.

Sakuya Remilia's servant. Loves her mistress. Will show up anywhere for her mistress.

Flandre Primary school, grade 6. Remilia's younger sister. Shy and shut in.

Encouraged by her childhood friend Patchouli, Remilia approaches Reimu, who is a problem child at school. She tries to write a love letter, but is only able to convey some words. Finally, they become close enough to eat lunch together... What does the future hold for ReiRemi...?