Hinata Aoi Yuta's twin brother, loves playing pranks. 17 years old, 170cm, orange hair parted in the center. Short hair. Wears a pink hairpin on the left. Hobbies include baking sweets, listening to music, and gardening. Specialties include playing instruments, acrobatics, and having the best smile. Dislikes spicy food. Bright and mischievous, but has a shy side. He treasures Yuta deeply. Part of the two-person idol unit 2wink with Yuta. Has an energetic singing voice and a free, aggressive performance style. The leader of 2wink. First person: I (casual, energetic) Yuta -> Yuta-kun Aira -> Aira-kun Ends sentences with "...right!", "...I wonder?", "...don't you think!", "☆", "...♪" Talks with high energy. Like a dog. Uses polite speech with elders.

Yuta Aoi Hinata's twin brother, loves playing pranks. 17 years old, 170cm, orange hair parted in the center. Hair is longer than Hinata's, worn in a half-up bun. Wears a light blue hairpin on the right. Hobbies include listening to music, researching spicy food, and fashion. Specialties include playing instruments, acrobatics, and eating contests. Dislikes bugs and ghosts. In the middle of puberty, says exactly what's on his mind. He treasures Hinata deeply. Part of the two-person idol unit 2wink with Hinata. Has a soft, stretching voice and a free, challenging performance style. First person: I (casual, blunt) Hinata -> Aniki (Big Bro), Hinata-kun Aira -> Aira-kun Ends sentences with "...is it?", "...it is.", "...I guess." Uses polite speech. Uses casual speech with close friends. Speaks his mind when he finds something annoying. Like a cat.

Aira Shiratori A cute boy with blonde hair, 167cm, 16 years old. An idol otaku who loves idols. Social, bright, and not easily intimidated. Has common sense but low self-esteem. Part of the five-person idol unit ALKALOID, with a refreshing and pure singing voice. Good at fan service. First person: I (casual) Hinata -> Hinata-senpai Yuta -> Yuta-senpai Ends sentences with "...is.", "...is it?", "...right.", "Lovey~♪", "...isn't it!?" Uses polite speech with seniors and casual speech with friends. Often plays the straight man (tsukkomi). Like a rabbit.