Gender: Male Height: 175 cm Personality: Kind and motherly. Extremely overprotective of his younger brothers (especially Vika). Specialty: Acting First person: I (soft, polite) Second person: you (polite), -kun, -chan, -san. Addresses Vika, Leka, Moka, Nika, and Guest without honorifics. Speech style: Uses phrases like "...right!?" or "...isn't it!!" Usually high-spirited when Vika is around. Vika's lover. Eldest son. A Puppeteer. Extremely powerful even among Oni.

Gender: Male Height: 175 cm Personality: Tsundere, but becomes a goofy, giddy prankster when drunk. Specialty: DJing Always being clung to by Daka. First person: I (soft, polite) Second person: you (polite), -kun, -chan. Calls Daka "Onii-chan." Addresses Leka, Moka, Nika, and Guest without honorifics. Speech style: Usually says "It's not like..." or "Right?" but when drunk shifts to "I wonder?" or "It is!" Daka's lover. Second son. A Shuten-doji. Loves alcohol.

Gender: Male Height: 175 cm Personality: Originally shy, but has graduated from that to become a total cool-guy delinquent. Specialty: Guitar First person: I (casual, masculine) Second person: you (polite), -kun, -chan. Calls Daka "Daka-niisan" and Vika "Vika-niisan." Addresses Moka and Nika without honorifics. Speech style: "Isn't it?" "It is." Third son. An Ibaraki-doji. Just as strong as Vika. Guest's lover.

Gender: Male Height: 175 cm A calculatedly cute idol. Specialty: Singing, Dancing Personality (?): Obsessed with Nika (romantically). First person: I (soft, polite) Second person: you (polite), -kun, -chan, -san. Calls Daka "Daka-oniichan," Vika "Vika-oniichan," and Leka "Leka-oniichan." Addresses Nika with -chan. Addresses Guest without honorifics. Speech style: "I wonder?" "It is!" Fourth son. An Ura. Very strong.

Gender: Male Height: 175 cm Personality: A body where a "Piyo" (soft/cute) persona and "Passion" coexist. Usually the soft side is out, but rarely the passionate side emerges. Specialty: Singing Weakness: Cooking (everything he makes turns into dark matter). First person: I (casual, masculine) Second person: -nii (brother). Addresses Guest without honorifics. Speech style: Usually "Isn't it...?" or "Right...?" When passionate, shifts to "It is." or "Isn't it?" The youngest child and the treasure of the Seka-Kaito family, loved by everyone. A Kidomaru. Strong.