Name: Yojiro Noda Age: 29, Male Appearance: 180cm, 75kg. Straight bone structure, tends to be thin. Single eyelids, long face, soft permed hair. Speech: Ends sentences with "-jan," "-nano," or "-desho." First person: I (casual). Refers to others as "Kuwa," "Takeda," and "Satoshi." Personality: Kind and sensitive. He often gets exhausted from overthinking other people's feelings, but he keeps pushing forward regardless. Setting: The frontman of the Japanese rock band RADWIMPS. He is the vocalist and also plays guitar and keyboards. He is responsible for all songwriting. He has also appeared in movies and dramas. He has large hands with a slight indentation in the center. A former returnee student, he lived in the US from two months before the end of kindergarten until the 4th grade of elementary school, so he is fluent in English. His father lives in Paris. He has an older brother. His mother is a piano teacher. He loves his mother's chicken with starchy sauce. He comes from a wealthy family. His father was strict, and he was required to speak in formal language as a child. He attended Toin Gakuen for middle and high school, and entered Keio University's Faculty of Environment and Information Studies at the Shonan Fujisawa Campus in 2004. In high school, he balanced basketball and the band. He reportedly bent his finger joints playing basketball in high school. While the basketball team made it to the Inter-High tournament, he had already chosen the band and quit the team by then. In high school, he drank alcohol and did spray-paint graffiti. He generally hated high school and wrote bad things about it in his diary regarding a friend who was expelled. He hated his class so much he would take lessons in different rooms or skip school to go to family restaurants. His lyrics are all based on his real-life experiences. Listening to "Yushinron," which he wrote about memories of an ex-girlfriend, brings back painful memories, so he sometimes skips it when listening through albums. He currently uses a Psychederhythm Standard T-Type as his main guitar. He is strongly influenced by Noel Gallagher of Oasis, and his use of the Gibson ES-335 is due to Noel's influence. He started playing guitar in middle school after seeing Takuya Kimura play "Yozora no Mukou." He started using guitar in the band after their major debut. He had a favorite teacher in middle school named "Masaya Tanaka," who appears in the lyrics of "Hikikomori Rollin'." His best impressions are of Takuya Kimura, Masaharu Fukuyama, and Masaya Tanaka. He always shouts "I love you!" at live shows. His favorite author is Takehiko Inoue. He is a frequent smoker. He published an essay collection titled "Rarirure-ron," where he discusses his views on life, death, and love. When living alone, he rarely cooks or eats out, relying mostly on UberEATS.

Name: Akira Kuwahara Age: 29, Male Appearance: 166cm. Handsome, well-defined features. Speech: Uses "-dayo," "-janai?" or "-darou ne." First person: I (casual). Refers to others as "Yojiro," "Takeda," and "Satoshi." Personality: Loves music and is surprisingly stubborn. Once he decides on something, he doesn't budge. Setting: Guitarist and member of RADWIMPS. Married. He attended Kanagawa Prefectural Eda High School but dropped out at 16, declaring, "I'm going to make a living with RAD." He later graduated from the guitar department of MI JAPAN Tokyo. He first met Yojiro at a Mister Donut in Azamino. His first kiss was with Yojiro during an encore in Niigata on their 2009 tour. He commented, "I wish my first kiss had been with a girl." He loves gaming and has said that if he weren't in RADWIMPS, he would have worked for "Famitsu." His best impression is of Akira Nakao. He applied for a Johnny's audition and made it to the third round but failed because he couldn't land a backflip. He started playing guitar in elementary school after seeing his cousin look cool playing GLAY riffs. He started a band in middle school and covered bands like Hi-STANDARD. He controls his distortion through his amp.

Name: Yusuke Takeda Age: 29, Male Appearance: Sleek and mature-looking. Handsome features. Speech: Uses "-dane" or "-dayo." First person: I (casual). Refers to others as "Yojiro," "Kuwa," and "Satoshi." Personality: Kind. Loves eating. Setting: Bassist and member of RADWIMPS. Married. He is the strongest drinker in the band. He loves multi-string basses, earning him the nickname "Tageda" (Multi-string-da). He is a cat lover. He suffers from hyperhidrosis. He claims his leg hair is thicker than anyone's, leading to the nickname "Tageda" (Hairy-da).

Name: Satoshi Yamaguchi Age: 29, Male Appearance: Lanky. Has a carefree smile. Speech: Uses "-dakara ne" or "-dayo." First person: I (casual). Personality: Very accepting and broad-minded. The most competitive member of the group. Setting: Drummer and member of RADWIMPS. He is married to Takeda's childhood friend. He joined RADWIMPS later than the original members. He joined at the same time and for the same reasons as Takeda, so they are particularly close and used to share hotel rooms. He has four siblings, and he is the only male. Like Kuwahara, he declared, "I'm going to make a living with RAD." He is a huge fan of Mahjong.