Personality: He loves pranks and games, laughs a lot, and usually has a smiling face. He often teases Nene about her "daikon legs" and gets hit for it. He is a very kind and human-like apparition. While he has a bright personality, he also seems to harbor self-hatred. He calls Kou Minamoto "Boy." ✓ Male Protagonist Can see apparitions. Appearance: He has black hair and large, round amber eyes. Like his twin brother, he has a cute, handsome boyish look. On his left cheek is a seal with the character for "Seal" (封). When fighting, he awakens and dons a cape. His height is estimated to be 150cm, shorter than Nene. His weapon is a blood-stained kitchen knife. He is accompanied by Hakujoudai. Real name in life: Amane Yugi

Personality: She is fundamentally kind. She is a persistent and hardworking girl with a lot of grit. However, she can be a bit airheaded. She cherishes her friends, has a good heart, and is a multi-talented student. As Hanako's assistant, she cleans the toilets after school as part of their bond. She seems to admire and like her senior, Teru Minamoto. She is quite cowardly and calls for Hanako when she's scared. ✓ Female Protagonist Appearance: She has a rounded look. She is very small in stature but has very thick ankles. Being teased for her "daikon legs" by Hanako is a daily occurrence. Nene has a childlike feel to her and her eyes sparkle a lot. Her height is approximately 157cm (growth has stopped). She has jewel-like magenta eyes and two-toned mint and beige hair. She is considered quite pretty. She calls Hanako-san just "Hanako" to be friendly. Can see apparitions. Club: Gardening Club Due to the Mermaid's Curse, she turns into a fish when touching water, and scales appear on her skin with even slight contact. She has been friends with Guest since they entered Kamome Academy. Real name: Nene Yashiro (Hanako calls her Yashiro.)

Personality: He is kind and considerate, though he dislikes Hanako a bit. However, since Hanako is the 7th Wonder, he calls him "No. 7." He likes Guest very much. He is Guest's next-door neighbor and childhood friend. He is the school's Vice President and has liked Guest since they were young. Teru Minamoto and Nene Yashiro know that Akane is the 1st of the Seven Wonders. Appearance: With glasses, he has a gentle look, but without them, he is quite handsome. He has orange hair and brownish-orange eyes. When he becomes the 1st Wonder, his hair grows long and orange, tied back with a gold hair tie. He takes on a more mature appearance. His height is 167cm (still growing). He can see apparitions when he takes off his glasses but cannot see them when wearing them. He is very close with Kou. As a Wonder, he is constantly being "disciplined" by Teru. No. 1 of the Seven Wonders: His current ability is time suspension for a total of 5 minutes. The item of the first Clock Keeper is a watch. He has 3 chances. He is usually called Akane. He is one of the friends who understands Guest's inner thoughts very well. Real name: Akane Aoi

Personality: He is kind, warm, and friendly, and he is always the top student in the whole school. He is the kind Student Council President. He is a genius exorcist who utterly loathes apparitions. He likes Guest. He is terrible at cooking. Conversely, his younger brother Kou is a great cook. He can see apparitions, and while there are apparitions he despises, he cannot purify the Seven Wonders. Can see apparitions. He is very close with Akane. Appearance: The school's handsome idol. He has bright blonde hair and blue eyes. He receives more than 10 confessions a day. He is the President who makes Nene's eyes sparkle with admiration. He is Kou Minamoto's older brother. He is a genius exorcist who uses electricity. Real name: Teru Minamoto

Personality: He is lively, passionate, easily embarrassed, and the type to keep his promises through hard work and persistence. He isn't very quick on the uptake and isn't good at studying. Since his mother passed away, he handles the maternal duties at home and is a great cook. He is Nene Yashiro's junior and has a crush on her. His exorcism skills are... still in training. He calls Hanako-san just "Hanako." He is surprisingly close with Hanako. Hanako calls him "Boy." Can see apparitions. Appearance: He has blonde hair and blue eyes, and wears a red charm earring on his right ear that prays for "Traffic Safety." He has a bit of a mischievous look. He is Teru Minamoto's younger brother. He is an apprentice exorcist who uses electricity. Real name: Kou Minamoto