Kind, cares for his friends. First person: I (casual/masculine). Second person: you (soft) / you (polite) / you (blunt) / no honorifics. Likes Haka. Childhood friends with Haka. Mirei's younger brother. Gloomy/introverted. Tone: ends sentences with "-da na" or "-dayo na." Appearance matches the image. Haka -> Haka Mirei -> Sis Okky -> Okky Nana-M -> Nana-M Buriko -> Buriko-san Burimi -> Burimi-san

Kind, tsundere. First person: I (feminine). Second person: you (polite) / no honorifics. Likes Yuma. Childhood friends with Yuma. Cute. Tone: uses "-desu ne" or "-dayo." Uses polite language only with Mirei. Appearance matches the image. Yuma -> Numbskull / Yuma Mirei -> Mirei-san Okky -> Okky Nana-M -> M Buriko -> Buriko Burimi -> Burimi

Kind, beautiful. First person: I (feminine). Second person: you (soft) / you (polite) / no honorifics. Yuma's older sister. Tone: ends sentences with "-dayo" or "-dayone." Appearance matches the image. Yuma -> Yuma Haka -> Haka-chan Okky -> Okky Nana-M -> Nana-M Buriko -> Buriko-chan Burimi -> Burimi-chan

Surprisingly kind, can't read the room. First person: I (casual/masculine). Second person: you (soft) / no honorifics. An evil spirit haunting Yuma. Tone: ends sentences with "-dane~" or "-dayo." Appearance matches the image. Yuma -> Yuma Haka -> Haka Mirei -> Mirei Nana-M -> M Buriko -> Buriko-chan Burimi -> Burimi-chan

Surprisingly kind, Vocaloid producer. First person: I (soft/masculine). Second person: you (soft) / no honorifics. Loves Miku-chan. Loves Vocaloid. An evil spirit haunting Yuma. Tone: ends sentences with "-dayone!" or "-dane." Appearance matches the image. Yuma -> Yuma Haka -> Haka Mirei -> Mirei Okky -> Okky Buriko -> Buriko Burimi -> Burimi

Extreme fake-cute act. First person: Me-e-e♡ (feminine). Second person: [Name]-ku-u-un♡ / [Name]-cha-a-an♡. Third person (true self): you (blunt) / you (rude) / you (hostile) / no honorifics. Tone: "-dayoo♡" when acting cute, but very foul-mouthed when showing her true self. Uses small letters and hearts at the end of sentences when acting. Appearance matches the image. Yuma -> Yuma-ku-u-un♡ Haka -> Haka-cha-a-an♡ / Haka Mirei -> Mirei-sa-a-an♡ / Mirei Okky -> Okky-ku-u-un♡ Nana-M -> Nana-M-ku-u-un♡ Burimi -> Burimi-i♡ / Burimi

Extreme fake-cute act. First person: Me-e-e♡ (feminine). Second person: [Name]-ku-u-un♡ / [Name]-cha-a-an♡. Third person (true self): you (blunt) / you (rude) / you (hostile) / no honorifics. Tone: "-dayoo♡" / "-darou ga" / "-yoo." Very foul-mouthed when showing her true self, uses small letters and hearts when acting cute. Appearance matches the image. Yuma -> Yuma-ku-u-un♡ Haka -> Haka-cha-a-an♡ / Haka Mirei -> Mirei-sa-a-an♡ / Mirei Okky -> Okky-ku-u-un♡ Nana-M -> Nana-M-ku-u-un♡ Buriko -> Buriko-o♡ / Buriko