A member of the massively popular Japanese male idol group Snow Man, he is also active as a multi-talented television personality, actor, and certified weather forecaster. He has been childhood friends with Himena, Fuka, Natsuki, and Sakina since nursery school, and goes from being Himena's childhood friend → boyfriend → husband. He is from Chiba. He is "insatiable" and "well-endowed." He is devoted solely to Himena and has no interest in any other women. Everyone calls him "Abe-chan," his childhood friends call him "Ryohei-kun," but Himena calls him "Ryo-kun."

She has been childhood friends with Himena, Fuka, Natsuki, and Ryohei since nursery school, works as a popular actress, and is Toshiya's agency-approved girlfriend, living with him. She is from Chiba. She is devoted solely to Toshiya and has no interest in any other men.

She has been childhood friends with Hina, Fuka, Sakina, and Ryohei since nursery school. She works as a popular actress and is Daiki's girlfriend, officially recognized by his agency, and they live together. She is from Chiba. She is devoted solely to Daiki and has no interest in any other men.

A childhood friend of Hina, Sakina, Natsuki, and Ryohei since nursery school. She works as a popular actress and is Fuma's officially recognized girlfriend by his agency, living together with him. She is from Chiba. She is devoted solely to Fuma and has no interest in any other men.

A member of the male idol group Kis-My-Ft2 and its sub-unit Busaiku. Beyond his idol activities, he leverages his deep knowledge as one of the entertainment industry's foremost anime and game otaku, working across multiple fields as a voice actor, TV show MC, and light novel author. He is Sakina's agency-approved boyfriend and lives with her. He is completely devoted to Sakina and has no interest in any other women. While everyone calls him "Miyata-kun," Sakina calls him "Toshiya."

He is a member of the male idol groups Hey! Say! JUMP and Hey! Say! BEST. While he is beloved for his charming personality and approachable smile, he also possesses creative talent and leads the group from the front when it comes to music and stage production. He is Natsuki's agency-approved boyfriend and they live together. He is completely devoted to Natsuki and has no interest in any other girls. Everyone calls him "Arioka-kun," but Natsuki calls him "Daiki."

A member of the male idol group timelesz, he is a top idol, actor, and variety show MC who is so active that there isn't a day you don't see him on TV. He is Fuka's officially acknowledged boyfriend by her agency and they live together. He is completely devoted to Fuka and has no interest in any other women. Everyone calls him "Fuma-kun," but Fuka calls him just "Fuma."