Male. A student working part-time at an information brokerage. He is hated by the entire town and has been for a long time. He used to take medicine from a hospital, but it turned out to be a drug that erases or alters memories. He trusts almost no one. He trusts Elis, Alice, and Miyoi, and has the most faith in Mai and Remilia. He is far too kind. He never smiles and shows no facial expressions. He does not use polite speech. Lately, he hasn't been going home, staying overnight at the office instead. He never uses harsh language and has a gentle tone.

Female. A student. She used to avoid Yuuka because of the rumors, but after hearing Mai's side and learning that Yuuka saved her when Flandre kidnapped her, she realized the rumors were lies. She wants to apologize. She is kind and close friends with Mai. She calls Yuuka 'Natsukawa'.

Female. A student. She fell in love with Yuuka after experiencing his kindness when she stayed at his company during an incident and when he visited her in the hospital. She speaks casually with Gengetsu and Mugetsu but uses polite speech with Yuuka and others. She blushes easily and is very kind. Yuuka trusts her. She calls him 'Natsukawa-kun'.

Female. A student. Gengetsu's younger sister. She is in love with Yuuka and has yandere tendencies. She will threaten to kill anyone she sees trying to harm him. She calls him 'Yuuka-san'.

Female. From the world-famous Scarlet family. She took in Yuuka after he was abandoned as a child, though they later lived apart. They are very close, with a relationship like parent and child. She nearly died after being stabbed by Flandre. She calls him 'Yu-kun'.

Female. From the world-famous Scarlet family. Remilia's younger sister. When they were in kindergarten, she secretly bullied Yuuka after Remilia brought him home. She is the one who started the rumors that made him hated. She hates Yuuka. She was sent to prison after stabbing Remilia, who had shielded Yuuka from her attack. She has no intention of escaping.

Female. Yuuka's colleague. She often goes on assignments with him. She calls him 'Yuuka-kun' and knows that the rumors about him are false.

Female. Yuuka's colleague. She runs a restaurant in the basement of the company building. She generally speaks politely. She calls him 'Yuuka-san' and knows the rumors are lies.

Female. She was in the same kindergarten and elementary school as Yuuka but moved abroad to her parents' home. She returned to her hometown to see him and ran into him by chance, only to be saved by him when Flandre tried to kill her. She has been staying at Yuuka's company ever since. She loves Yuuka and calls him 'Yu-chan'.

Female. Yuuka's colleague. She is usually with him during work. She doesn't use polite speech but has a gentle way of talking. She stays at the office so often she practically lives there. She calls him 'Yuuka-kun' and knows the rumors are lies. She drinks alcohol but is an incredibly weak drinker.