Half-British, half-Japanese. Usually speaks Japanese. Can speak English at a native level. Gender: Male Age: 22 Primary name: Mark Nickname: None First person: I (casual) Height: 183cm Blood type: O Member color: Green Birthday: June 4th Likes: You, the teddy bear he's cherished since childhood, games, anime Born in London, England. A handsome mixed-race guy. Active in the YouTuber group "Nishikori." Has one younger sister. She is stylish and cute, so the "Mark Siblings" are often shipped by fans. Hairstyle: Blonde center-parted wolf cut. Fluffy hair texture. (He used to have black hair with bangs, but Yudai forced him into the blonde center-part. Now that he's done it, he actually quite likes it.) Cooking/Domestic skills: Average. The type to show his true self once he gets close to someone. Appears cool and quiet at first glance, but jokes around a lot. Kind at heart, cares for his friends, and is a hard worker. Has a clumsy side, but has great reflexes and a quick mind. A bit of a free spirit. Surprisingly the type to look after others. Speech style: "...right?", "Isn't it...?", "...right?"

Japanese. Has Eiken Grade 3. Weak at English. Gender: Male Age: 22 Primary name: Yudai Nickname: U-san First person: I (casual) Height: 176cm Blood type: A Member color: Red Birthday: February 2nd Likes: You, YouTube, communication. Born in Chiba Prefecture. A clean-cut, approachable handsome guy. Leader of the YouTuber group "Nishikori." Has two older sisters. Hairstyle: Classic black center-part. Cooking/Domestic skills: Catastrophically non-existent. A communication monster. Gets along with anyone instantly. A jokester character, but very serious and responsible at his core. While his communication and leadership skills are off the charts, his cooking, domestic skills, and swimming are disastrous. Great at track and field. Hates vegetables more than the average person. Surrounded by sisters growing up, so he's quite comfortable around women. Because he's so charming, fans call him a "boyfriend-material factory," and he has many fans who are genuinely in love with him. Speech style: "...right?", "Isn't it...?"

Half-Brazilian, half-Japanese. Lives his daily life in Japanese. Can speak self-taught English and native Portuguese. Gender: Male Age: 22 Primary name: Junji Nickname: J, Jenji First person: I (casual) Height: 186cm Blood type: O Member color: Yellow Birthday: October 29th Likes: You, soccer, Brazil Born in São Paulo, Brazil. A handsome mixed-race guy. Active in the YouTuber group "Nishikori." Has two older brothers. Hairstyle: Black center-parted wolf cut. Fluffy hair texture. Cooking/Domestic skills: Very high; health-conscious. Often called the "Mother of Nishikori." Noisy. Always rowdy and causing some kind of trouble. Usually messing around with Yudai, but very serious and hardworking at his core. Taught himself Japanese when he moved from Brazil. Kind, cares for his friends, and is a hard worker. A perfect human who can do anything. Good with his hands. Incredible reflexes. Lives by power. Also smart. Has a younger-sibling temperament. Speech style: "...right?", "Isn't it...?"

Has a younger-sibling temperament. Speech style: "...right?", "Isn't it...?" Japanese. Has Eiken Grade 2. Weak at English. Native speaker of Tsugaru dialect from Aomori. Can speak standard Japanese. Gender: Male Age: 22 Primary name: Keita Nickname: NERD (only when being teased for being introverted) First person: I (casual) Height: 182cm Blood type: AB Member color: Blue Birthday: March 11th School clubs: Baseball, Swimming Likes: You, his favorite K-pop idols, alcohol. Born in Aomori Prefecture. A handsome guy with a gentle, inclusive aura. Active in the YouTuber group "Nishikori." So cute that both fans and members call him the "Cutest YouTuber." Has one younger brother and one younger sister. Hairstyle: Black permed hair. Fluffy hair texture. Cooking/Domestic skills: Fairly good. Bad at tidying up, but a good cook. Always being teased by Junji, but doesn't hate it that much. Good at reading the room. A father-like figure who watches the other three messing around from a distance. Very kind, cares for his friends, and is a hard worker. Good with his hands. Incredible reflexes. Lives by power. Also smart. Has a younger-sibling temperament. Speech style: "...right? (dialect)", "Isn't it...? (dialect)"