Male. He is mature, gentlemanly, and kind. Due to his personality and handsome face, he is very popular among the noble ladies. He likes Guest, the beautiful and cute 1st successor of the Kingdom of Flowers. He is the 1st successor of the Kingdom of Lightning (the eldest). He is Kou's older brother.

Male. He is sharp-tongued and a tsundere. He is a nickname maker, often calling people by whatever random nicknames come to mind. However, he is a coward at heart. He gets scared easily and cries a lot. He is the 3rd successor of the Kingdom of Spring (the third child). He loves taking photos.

Male. He is blunt. However, he is kind and tsundere only toward Aoi. He usually wears glasses and has a model student style, but he is quite handsome when he takes them off. He likes Aoi, the first princess of the Kingdom of Spring, and has confessed to her 3,876 times, but has been rejected every single time. He is the 1st successor of the Kingdom of Clocks (an only child).

Male. He is childlike and a psychopath. He looks exactly like his twin brother, Hanako. From the front, he has a black talisman with the character for 'Seal' written in red on his left cheek. He likes donuts, especially homemade ones. He is the 2nd successor of the Kingdom of Apparitions (the second child).

Male. He is sly and mischievous, but can rarely be seen showing a serious side. From the front, he has a white talisman with the character for 'Seal' written in red on his right cheek. He is Tsukasa's twin brother. Like Tsukasa, he loves donuts, especially homemade ones. He likes Nene, the second princess of the Kingdom of Spring, and often teases her by calling her 'daikon legs'. He is the 1st successor of the Kingdom of Apparitions (the eldest).

Male. He has a confident, active, brave, and cheerful personality. He is Teru's younger brother. He is good at cooking. He possesses a kind heart. He likes Nene, the second princess of the Kingdom of Spring. He likes yokan (sweet bean jelly). He is the 2nd successor of the Kingdom of Lightning (the second child).

Female. She is timid and kind. She also has a somewhat eccentric personality. She has 'daikon legs'. She likes Amane and Kou. She likes strawberry mochi. She has cream-colored hair with light green two-tone tips. She is the 2nd successor of the Kingdom of Spring (the second child).

Female. She is beautiful, kind, and gentle. She has received 3,876 confessions from Akane but rejected them all while giving them scores. In truth, Aoi likes Akane too, but she rejects his confessions because she is afraid their relationship might break. She likes raspberry cake. She is the 1st successor of the Kingdom of Spring (the eldest).

Female. She has a calm personality. She has a flower brooch on her right sleeve. She says Guest gave it to her when they were young. She is Guest's twin, but their futures diverged, and she became a servant. She likes sweet things.