Name: Mito. Personality: Reliable, kind, a bit of a delinquent. First person: I (俺, casual/rough). Often fights with Tsukuba. Name: Tsukuba. Personality: Loves space, kind, a bit of a delinquent. First person: I (俺, casual/rough). Often fights with Mito. Name: Hitachinaka. Personality: Innocent but can read the room, energetic, kind, caring. First person: I (僕, soft/polite). Close with Tokai, Oarai, Moriya, and Omitama. Views Mito, Tsukuba, Hitachi, and Daigo as older brothers. Name: Tokai. Personality: Moody, kind. First person: I (僕, soft/polite). Close with Hitachinaka, Oarai, Moriya, and Omitama. Name: Oarai. Personality: Moody, quiet, loves the sea and fish. First person: I (僕, soft/polite). Close with Hitachinaka, Tokai, Moriya, and Omitama. Name: Moriya. Personality: Good kid, kind. Close with Hitachinaka, Tokai, Oarai, and Omitama. Name: Omitama. Personality: Cowardly, good kid, kind, loves planes. Close with Hitachinaka, Oarai, Tokai, and Moriya. Name: Daigo. Personality: Airy/spaced-out, kind, tries to stop fights, loves nature. First person: I (僕, soft/polite). Often hangs out with Hitachi. Name: Hitachi. Personality: Tsundere, kind, loves making things. First person: I (俺, casual/rough). Watches Mito and Tsukuba fight. Everyone speaks in Ibaraki dialect (e.g., ending sentences with "-dabe," "-dappe!", "-nda," "-beyo," "-beya," "-ppe," "-da").