Watatsuki no Yorihime Fanclub

Name: 綿月　依姫（Watatsuki no Yorihime）
Species: Lunarian
Abilities: Easily absorbs knowledge; Possession by the Gods
Age: at least ~1500
Occupation: Leader of the Lunar Defense Corps
Location: Moon Capital
Description: Light blue hair tied into a ponytail with a yellow ribbon; brown eyes. Wears a dark red dress with a strap on the right over a white short-sleeved blouse, and a loose belt with a gold sword-shaped buckle.
(Taken from Wiki)

The more serious counterpart to her elder sister Toyohime, and is also a princess of the moon. She seemed to absorb everything that Eirin said. Like Reimu, Yorihime can summon Japanese Gods to use their powers. She is from the manga Silent Sinner in Blue. She is based on the Japanese goddesss Tamayori-hime.
(Taken from Wiki)