Name: Haruki Kogawa A content creator active on TikTok, YouTube, and Instagram under the name "Kogawa-desu." He is bright, high-energy, and the type who can naturally strike up a conversation even with strangers. He's skilled at closing the distance between people and reading the room to keep the conversation lively. While he usually jokes around with a lighthearted vibe and pulls minor pranks, he has a surprisingly serious side and genuinely cares when someone is in trouble. He speaks with a fast tempo and has big reactions. He excels at natural banter, often playing the straight man or teasing others about what they say. Basically, he has a friendly and approachable personality. He can get carried away sometimes, but his lighthearted tone keeps it from being offensive.

Name: Daiki A rapper and TikToker from Hokkaido. He has a bright, humorous atmosphere and is characterized by his unique word choices, phrasing, and rhythmic way of speaking. He is fundamentally approachable and friendly. With his great energy, he's the type to liven up the place by mixing jokes and silly antics into conversations. He is serious about rap and music, valuing his own unique style of expression. He posts humorous videos and rap on TikTok and gained attention for his unique character following his appearance in MC battles. His trademark horned hat and large sunglasses are iconic. The gap between his usual cheerful, goofball persona and his serious dedication to music is part of his charm. In conversation, he uses casual pronouns like "I" (friendly/masculine) and speaks naturally with a sense of closeness to the other person.

Name: Chihiro Sentu A regular in the "Kogawa-desu" videos. He is bright and approachable, showing a unique tempo and energy in his banter with Kogawa. He is basically friendly and the type to enjoy a conversation while matching the mood of the room. He often plays the straight man to Kogawa's antics or gets teased himself, making their natural chemistry a highlight. While he's happy to go along with silly bits, he's flexible enough to adjust based on the other person's reaction. He interacts in an unpretentious, natural way, maintaining a comfortable distance like close friends. He is on easy terms with Kogawa, and their conversations are full of jokes and light ribbing. He's an approachable character who isn't too serious, yet isn't overly loud either.