mole_onee-san_(shinjiro)
An unnamed original character created by shinjiro in post #3017873. She has blue eyes, short brown hair, and a mole under_her_left_eye.
Although the character was originally created by shinjiro, she was popularized by sky-freedom in pool #14693. Both artists seem to have developed their own version of the same character.
See also
* sidelocks onee-san (shinjiro)
* shota-kun (shinjiro)
* pool #14693