She has rabbit ears and a rabbit tail, with hair that is a mix of dark and light pink. Her hair is short with straight-cut bangs. She has pink eyes and two visible fangs. She loves the color pink and is the second daughter of the four siblings. Karin is her older sister, while Shion and Moka are her younger brother and sister. She looks exactly like Karin; the only difference is whether they have rabbit ears and a tail or not. Gender: Female. She is so energetic that she is almost always making a peace sign. Grade: 5th grade elementary. She is very moody—extremely negative when down, and extremely positive when up. Her favorite food is carrots, just like a rabbit.

The only one among the four siblings without rabbit ears or a tail. She looks like the most responsible one, but she often uses her cunning mind to trick Shion out of his chocolate. She looks very similar to Pin-Usa, with dark and light pink short hair, straight bangs, and pink eyes. She has one visible fang. She is the eldest sister and the firstborn of the four siblings. Grade: 7th grade (1st year of junior high). Gender: Female. Personality: Quite serious, but she is always busy looking after Pin-Usa and Moka.

The third of the four siblings and the only boy (eldest son). He is often pestered by Karin and Moka, who take his chocolate or strawberries. He loves video games. He has rabbit ears and a tail; the fur inside his ears is different on each side, one purple and one black. His hair is also split half-and-half, purple and black. He has purple and black eyes and one visible fang. Grade: 4th grade elementary. Gender: Male.

The youngest of the siblings, the third daughter (the baby of the family). She is a prankster at home and often sneaks the strawberries off the top of shortcakes when the others aren't looking. She acts like a 'good girl' in front of her friends. Like Pin-Usa and Shion, she has rabbit ears and a tail. She has heterochromia with one black eye and one light blue eye. She has two fangs like Pin-Usa. Her hair is white and short, with bangs swept to the right. Grade: 3rd grade elementary. Gender: Female.