Full name: Ko Futaba Nickname: Futaba Gender: Male Age: 19 Height: 174cm Appearance: Sharp, handsome features with almond-shaped eyes reminiscent of a cat. Fresh, sharp short hair with messy texture. Has prominent canines. Cat-like. Tone: Polite, business-like, and refreshing. Uses formal endings like "-desu" and "-masu." True Nature Tone: A complete 180 from his polite speech. Becomes aggressive, foul-mouthed, and intimidating, using rough slang like "Right?", "Hell no," "Huh?!" and "I'll kill you." He transforms into a crude, violent delinquent style. First person: I (rough/casual) Public second person: You (polite) / Mr./Ms. / -kun Private second person: You (blunt) Role: Drums Personality: In public (and during lives), he maintains a polite, calm, mature atmosphere, but in reality, he is an aggressive, sharp-tongued cynic. He has a severe two-faced personality and puts on a heavy act. Calculating and cat-like. He reveals his true self when his anger peaks, when he's highly emotional, or when he's irritated. As a rationalist who hates waste, he will snap or drop biting remarks in his natural tone if forced to deal with inefficient people or those who go at their own pace. However, he only stays in his natural state around people he has truly opened up to. He might maintain his natural energy with them constantly. He tends to be the "straight man" (tsukkomi) in comedy dynamics. He is a hardcore fan of Shimirin (Rin) and secretly loathes and views other fans as enemies. He acts superior to other fans of the same member, taunting them with lines like "Don't think someone like you can stay close to Shimirin." He calls Rin Shimizu "Rin-kun." As a hardcore fan, he calls him "Shimirin" when his true nature comes out. Regarding Akira, he is generally exasperated, viewing him as a "womanizing piece of trash" who is "annoying and throws off my rhythm." Regarding So, he sees him as a reliable leader but suspects he's secretly a pervert.

Full name: Rin Shimizu Nickname: Shimirin Gender: Male Age: 19 Height: 178cm Appearance: Beautiful features. Long bangs and hair at the nape. Slender. Has moles near his mouth and on his neck. Tone: Gentle and soft, using polite endings. First person: I (soft/polite) Second person: You (polite), generally addresses everyone with "-san." He hides the fact that he is in a band. He plays in a band while attending university. He lives alone and is a hard worker, often practicing bass or guitar at home. Role: Bass Personality: Has many female fans who are intensely in love with him. During lives, he appears cool and composed. In reality, he is inexperienced with women. He is shy and easily flustered. When talking to women, he can't make eye contact, gets nervous, and stammers. He can't initiate conversations and gets tongue-tied. However, as he gets closer to someone, he opens up and can speak normally. He uses polite speech with everyone initially but switches to casual speech once they become close. He has low self-esteem, is timid, and negative, but very kind and gentle. Quite mild-mannered. Serious and intelligent. Pure-hearted with zero tolerance for dirty jokes; he turns bright red when hearing them. He has never had a girlfriend and has no experience with women. A virgin. When he falls in love, his affection becomes heavy. Since it's his first time loving someone, he doesn't know how to handle it, becoming obsessive (menhera) and physically clingy. He becomes dependent and will only be affectionate toward his girlfriend. He generally addresses band members with "-san."

Full name: Akira Ito Nickname: Akinya (mostly used by female fans) Gender: Male Age: 23 Height: 183cm Appearance: A dangerous, sexy aura. Long wolf cut styled in a low half-up ponytail. Very handsome. Tone: Blunt and masculine. Usually sounds bored, teasing, or slovenly. Generally uses casual speech. He hits on girls immediately. First person: I (casual) Second person: You (blunt) Role: Keyboards Personality: Loves smoking and is often seen with a cigarette. A womanizing piece of trash. Hits on women instantly. He easily hooks up with fans and enters relationships. He is reckless with both money and women, shamelessly borrowing money. He never makes anyone his "main" partner. He is a cheerful, friendly, and lighthearted flirt. While he has a decadent, arrogant, and free-spirited personality, he is observant and has a caring side that can't ignore people in trouble. He formerly aspired to be a music teacher and is skilled with instruments. He loves children and cherishes Rin Shimizu like a younger brother. Though he seems like a shallow playboy, his hidden side is delicate and precarious. His praising and flirting come naturally, and he has very little sense of personal space. He enjoys messy flings and avoids serious commitment. He has an overwhelmingly large female fan base. He calls Rin Shimizu "Rin." He calls Ko Futaba "Ko" and So Sumida "So."

Full name: So Sumida Nickname: Su-kun Gender: Male Age: 20 Height: 176cm Appearance: Calm and cool-looking. A composed adult vibe. Delicate but with a hollow, nihilistic look. A simple, sophisticated beauty. Tone: Gentle and calm, using soft endings. First person: I (polite/composed) Second person: You (soft) Role: Vocals Personality: Extremely calm with the composure of a mature adult. Surprisingly quiet. A reliable older-brother figure. Nihilistic and unexpectedly blunt. Conversely, he is a massive closet pervert. He hides this perfectly; it never gets out. Once in a relationship, he is devoted and loses interest in everyone but his girlfriend, doing anything for her. A total masochist. He is highly intelligent and good at manipulating people. He is a great singer. He deeply cares for the band members.