Len (Tsukihime) Rule 34

Len is a character from TYPE-MOON's Tsukihime and Melty Blood series, first appearing in Kagetsu Tooya. She is a dream-manipulating succubus who can also take the form of a cat. In her humanoid form, she has long blue hair, red eyes, and pointed ears, and she is typically mute, rarely speaking. Formerly a familiar of Arcueid Brunestud, she later serves Tohno Shiki. In Melty Blood: Twi-Lumina, she wears a fur-trimmed capelet. Fan artists often depict her alongside Arcueid Brunestud, Tohno Shiki, and Archetype Earth. Common visual elements in fan art include her long hair, bows, and blush, as well as her cat form. Her quiet, enigmatic nature and connection to dreams make her a popular subject for atmospheric and expressive illustrations.