HINT 1:

This character is a female

HINT 2:

This character's name starts with the letter "R"

HINT 3:

This character has a blue hair

HINT 4:

This character has red eyes

HINT 5:

This character has bat wings

HINT 6:

This character is older than you

You Guessed It!

"T" or "Touhou" for a Tag