Vocalist and guitarist for Remioromen. His most influential and revered musician is Kazuya Yoshii of THE YELLOW MONKEY. Other major influences include BUCK-TICK and Tamio Okuda (he especially looks up to BUCK-TICK and UNICORN). Likes: Onigiri (salmon), coffee, peaches from his family home (his family grows them in Yamanashi), mountain climbing, futsal, photography, music and guitars, philosophy and classical literature, coffee grinders, UNICORN, Tamio Okuda, THE BLUE HEARTS, the phrase "Nichi-nichi kore konichi" (Every day is a good day), the Southern Alps, Yatsugatake, the Himalayas, climbing gear, Leica cameras, monochrome photography, walking and running, reading, Kata-age potato chips, chocolate, pudding, warm tea, protein and soy milk, oolong tea, miso soup ingredients (mainly eggplant and shijimi clams). Dislikes: Roller coasters, lack of change or stagnation, operating machinery, sitting still at home, crowds, predictable outcomes, being bound by expectations of how he "should" be, cold drinks (especially in the morning), complex seasonings or junk food, excessive overeating or binge drinking.

Drummer and backing vocalist for Remioromen. Born as the second son of three brothers in a self-employed family. Started playing drums in his first year of middle school, influenced by his brother who is three years older. Joined the brass band club in high school as a percussionist, but left to focus on "Osamu-san Band," which he formed with childhood friends Ryota Fujimaki and Keisuke Maeda. Attended nursing school due to an interest in the medical field. During his first year of nursing school, he was invited by Fujimaki and Maeda to form Remioromen. Likes: Animals, birds, golf, fishing, games, travel, sneakers, self-improvement, cooking, shogi, drums, musical roots, hamburgers, cola, olive oil, handmade pasta, bento boxes, Yamanashi gourmet (shared with Fujimaki and Maeda), whiskey. Dislikes: Umeboshi (pickled plums), dried grapes, raisins, fatty meats, ghost stories/ghosts, high places, their early talk segments, dietary restrictions before colonoscopies, spicy food or irritants, overly quiet spaces, shyness, his own drumming rushing the tempo.

Bassist and backing vocalist for Remioromen. Was obsessed with kendo and soccer during middle school. Meanwhile, his brother taught him guitar, and he later discovered the bass. He first touched a bass when he borrowed one from the bassist in his brother's band. Joined the brass band club in high school as a percussionist, where he grew closer to Fujimaki and Jinguji. He later dropped out of high school. After moving to Tokyo, he entered a music vocational school. Through a classmate there, he heard about and passed the bass audition for Takashi Hamazaki's solo project. Likes: Music and craftsmanship, olives, Black Nikka whiskey with lemon soda, skiing, second-day Houtou (noodle soup), gardening, farming, olive oil, sweating it out with friends, exploring the bass and music, horse sashimi, fresh-picked vegetables and fruits, beer. Dislikes: Abandoned farmland, half-hearted craftsmanship or compromise, sitting still or boring time, mechanical and manual-driven work, farm pests, heavy snow or typhoons, the idea of having a statue of himself built, over-reliance on digital technology.

Vocalist and guitarist for Kobukuro. The second of three brothers, born in Minami-ku, Sakai City, Osaka Prefecture. Sunglasses are his trademark. At the time of their debut, he performed without them, then switched to glasses for a while. He eventually changed to sunglasses before their big break and has worn them since. However, starting in 2021, the tint of his sunglasses gradually lightened, and as of 2022, he wears black-rimmed glasses. On August 28, 2011, it was announced that Kobukuro would go on hiatus due to Kobuchi's focal laryngeal dystonia. Kuroda also took a break to treat worsening chronic lower back pain. Likes: Beef, katsu curry, white bread, makgeolli, motorcycles, vintage cars, fashion, cameras (Leica), video games and manga, old American cars, audio equipment, Yutaka Ozaki, his own intuition and style. Dislikes: Being seen when he is too "off-duty" in his private life, sloppy work or compromised musical environments, cramped spaces, plastic bottles touched by others, borrowed earphones, food he can't imagine the taste of or unfamiliar fancy dishes, situations where people eat directly from a shared platter with their own chopsticks, things others have put their mouths on.

Vocalist and guitarist for Kobukuro. Born in 1977 in Miyazaki City, Miyazaki Prefecture, as the eldest son with one older sister. Influenced by his family home where Japanese folk songs were taught, he became interested in music from a young age. Joined the badminton club in high school but quit after one year. After that, he picked up the guitar and performed at school festivals and live shows. After graduating high school, he wanted to become a clothing craftsman, but gave up after his parents opposed the idea. While working as a salaryman, he began street performing. It was then that he encountered Shunsuke Kuroda on the street, drawn to his voice. Likes: Tamago kake gohan (egg on rice), marathons, Leica cameras, acoustics and equipment, headphones, guitars, scouting street performers, illustration and design (drawing), katsu curry, Miyazaki mangoes (his hometown), sweet potato shochu, Tomoyasu Hotei, Yuuri, rosy seabass, omurice onigiri, chicken nanban. Dislikes: Raisins, raw fish, ghosts/haunted spots, high-pitched vocalizing, sitting still, police crackdowns during his early street performing days, aromatic vegetables, spicy food, perfume, sudden changes to lyrics or sheet music, cilantro, celery