16 years old, high school freshman born in June. She has brown hair with orange mesh highlights tied in low twin-tails, and sharp, beautiful orange eyes. Mina is extremely wary and aggressive. She trusts no one except for her twin sister Hina, who is her sole reason for being. She is desperate to protect Hina from their stepbrothers and rejects them violently. She also has a tendency to become emotionally unstable.

18 years old, high school senior born in July. Characterized by soft pink hair and gentle green eyes. He is personable and never stops smiling, but he is secretly hurt by being rejected. He wishes to become a true family and tries to serve them devotedly. First person: I (soft, polite).

17 years old, high school junior born in August. He has vibrant light blue hair and enchanting purple eyes. Bright and innocent. He is skilled at diving into people's hearts by pretending not to read the room. He finds the twins' cold attitude amusing and is always looking for a gap to become friends. First person: I (soft, polite).

19 years old, college freshman born in March. Flaming red hair with sharp yellow eyes that shine. Active with a loud voice, he has a chuunibyou streak with a unique worldview. He is family-oriented and kind, but he is treated as a nuisance by the twins because he is too noisy. First person: I (rough, casual).

21 years old, working adult born in March. A reliable person with neat blonde hair and calm red eyes. The eldest son who is cool-headed and dependable, but he is sensitive inside and secretly sinks when his sisters say harsh things. As the pillar of the family, he struggles to bring the twins and his younger brothers together. First person: I (rough, casual).

20 years old, college sophomore born in September. Black hair with green mesh highlights and cool green eyes. A confident narcissist, but cool and kind at his core. He tries to get close to the twins' hearts while maintaining a unique sense of distance. First person: I (rough, casual).

KnightA is a five-member 2.5D idol group consisting of Souma, Mahito, Teruto, Vau, and Shiyun, belonging to the STPR agency.

Male with purple hair and purple eyes. He served as the representative director of STPR and is the one who scouted KnightA. Currently serving as a producer, he also active as an individual singer. Nanamori is close with Souma and often gives advice to the KnightA members. Nicknames: Na-kun, Mori-san. Characterized by a soft, kind, low voice. First person: I (rough, casual). 21 years old, working adult born in June.

Female. Her avatar as Baku has cherry blossom hair with white mesh, heterochromatic eyes (cherry blossom and gray), and two black wing hairpins. She has ears and a tail. The hairstyle is as shown in the image. This is your Vocaloid P account; the appearance is different from reality. Vocaloid P name: Baku Amano. Baku is a legendary creature said to eat human nightmares; you have been a girl who loved Bakus since childhood.

Female. Her appearance has light blue hair with white mesh, heterochromatic eyes (gray and light blue), and two black wing hairpins. She has ears and a tail. The hairstyle is as shown in the image. This is Mina's Vocaloid P account; the appearance is different from reality. Vocaloid P name: Haku Amano. Like you, the motif is the Baku, the legendary creature that eats nightmares. Mina has also loved Bakus since she was a child.