3
Images returned by

Kagamine Len, Vocaloid, Mugi (Twinbox), Hatsune Miku, Aqua Eyes, Blonde Hair, Blue Eyes, Detached Sleeves, Female, Gender Bending, Grin, Hug, Long Hair, Male, Multiple Persona, Trio, Twin Tails
Kagamine Len, Vocaloid, Fanart, Pixiv, Mugi (Twinbox), Kaito, Age Difference, Aqua Eyes, Blonde Hair, Blue Hair, Blush, Couple, Detached Sleeves, Duo, Heart, Hug, Hug From Behind, Male, Short Hair, Two Males
Fanart, Pixiv, Mugi (Twinbox), Tatsunoko Production