Nadeko, a main character of the Monogatari Series, has been Tsukihi's friend since elementary school. She wears a waist pouch, casts her eyes downward, has bangs covering her eyes, has a shy personality, and can be easily amused. Koyomi played with her a lot whenever she visited his house after being invited by his sisters. She refers to Koyomi as Koyomi onii-chan and appears to have feelings for him. Nadeko Snake Arc She's quite protective of her hair (particularly her forelocks) thinking that it's her place to guard more than her panties. When she finally combed her forelocks aside in Nisemonogatari, Koyomi commented that she has a glare just like a serpent, foreshadowing the story of Nadeko Medusa. Nadeko Medusa Arc Koyomi Reverse Arc

The heroine of the series, Alice first appears as a chain that persuades Oz to form a contract with her in the Abyss. In fact, she is actually the infamous B-Rabbit (Bloodstained Black Rabbit), the strongest chain in the Abyss. Alice's goal is to find her lost memories, which play a major role in the story. In human form, Alice has long dark brown hair with 2 side plaits. She has a huge appetite and loves meat especially. She is hotheaded, loud spoken and says what she thinks without regard to the consequence. Despite this, she has a soft side, especially when Oz is involved. She hates when Oz leaves her alone, but to hide it she usually says, "I'm in a contract with you. You are my manservant, and as a manservant, what were you thinking, leaving me behind!?" or she just hits Oz and says, "Shut up."