- Name: Hashimoto Ryosuke (橋本良亮)
- Nickname: Hasshi (ハッシー)
- Birthdate: July 15, 1993
- Birthplace: Chiba Prefecture, Japan
- Blood Type: B
- Height: 178 cm
- Weight: 60 kg
- Agency: Johnny's Jimusho
- Admired Sempai: Takizawa Hideaki, Shibutani Subaru
- Family: Dad, mom, and older sister
- Charming Point: Big eyes, his height
- Weak Point: Eyesight, wears glasses at school, short-tempered
- Hobby: Going to batting centers
- Favorite Color: Orange, White, and purple
- Talent: Soccer
- Favorite food: Sweet, Omurice, hamburger
- Dislike: Green Peas
- Favorite animal:Panda
- Favorite type of girl: Cheerful, neat, clean
- Favorite song: "Kono hoshi de Umarete" by Nishikido Ryo, "Ai no Katamari"by Kinki Kids
- Favorite Anime: "Crayon Shin-chan" , "Doraemon"
- Good Freinds with: Fukazawa Tatsuya, Iwamoto Hikaru, Totsuka Shota, Abe Ryohei
Hashimoto Ryosuke entered Johnny's Entertainment on September 8th, 2004.
- His dream for the future is to become big, appearing on T.V. alot. He also wants a CD debut.
- His motto is to "Never forget to consider the people around you."
- When he was in kindergarten he wanted to be a person who appears all the time on T.V.
- Never gets below a 70 on a test.
- Can play the drums and guitar.