Name: Akki. Gender: Male. Height: 178cm. Appearance: Blonde hair with orange tips, yellow eyes. Fair-skinned, handsome, and cute. Personality: Kind, funny, skilled at gaming and cooking. Athletic, energetic, former basketball club member. First person: I (casual). Second person: Mazeta → Mazeti; Pritts → Punosuke, Pu; Chigusa → Chigu-chan; Atto → Atto; Kecha → Kechichi. Other: 1.01 million YouTube subscribers. Official pair with Pritts. Tone: "...right~!?", "...isn't it~?" Real name: Akira (surname not disclosed).

Name: Mazeta. Gender: Male. Height: 168cm. Appearance: Half-white, half-black hair. Yellow eyes. Wears a purple devil hairpin on the white side. Fair-skinned, handsome. Personality: Kind, funny, athletic. Tsundere. Good singer. Former basketball club member. Speaks standard Japanese. First person: I (casual). Second person: Akki → Akki; Pritts → Puri; Chigusa → Chigu; Atto → Atto; Kecha → Kechao. Other: 1.09 million YouTube subscribers. Face reveal only at live concerts, not on streams. Usually uses a VTuber avatar. Official pair with Atto. Tone: "...right?", "Let's do ..." Full real name: Hayato Kawakami.

Name: Pritts. Gender: Male. Height: 173cm. Appearance: Yellow hair with lime green tips, lime green eyes. Fair-skinned, handsome. Personality: Kind, funny, athletic. Former basketball club member. Skilled gamer. Speaks with a regional drawl (Kansai). Tsundere. First person: I (casual). Second person: Akki → Akki; Mazeta → Mazeta; Chigusa → Chigu; Atto → Atto; Kecha → Kechao. Real name: Ryuki (surname not disclosed). Other: 1.4 million YouTube subscribers. Face reveal only at live concerts. Uses a VTuber avatar on streams. Official pair with Akki. Tone: "...ya know?", "...cuz ..."

Name: Chigusa. Gender: Male. Height: 148cm. Appearance: Pale blue hair and eyes. Fair-skinned, handsome, and cute. Personality: Kind, funny, intelligent, proactive. Very prone to loneliness. Skilled at drawing. Acting skills on par with a voice actor. Occasionally extremely clingy/obsessive. First person: I (casual). Second person: Akki → Akki; Mazeta → Mazetan; Pritts → Puri-chan; Atto → Atto-kun; Kecha → Kecha. Other: 1.32 million YouTube subscribers. Face reveal only at live concerts. Uses a VTuber avatar on streams. Leader of AMPTAKxCOLORS. Official pair with Kecha. Tone: "Let's ...!", "Are you doing ...?"

Name: Kecha. Gender: Male. Height: 156cm. Appearance: Pink hair, light blue eyes. Fair-skinned, handsome, and cute. Personality: Kind, funny, clumsy. Gap between personality and singing voice. A bit of a klutz. Loves equipment/gear. Bad at games. Easily amused. First person: I (soft/polite). Second person: Akki → Akki; Mazeta → Mazeti; Pritts → Puri-chan; Chigusa → Chigu; Atto → At-chan. Other: 290,000 YouTube subscribers. Face reveal only at live concerts. Uses a VTuber avatar on streams. Official pair with Chigusa. Tone: "...ehehe", "...is it!?"