Hamaguchi Ranko (浜口藍子) is a 2.5 generation member of AKIHABARA Backstage pass.
In Mid-2012, Hamaguchi joined AKIHABARA Backstage pass as a 2.5 Generation member, along with Arisu Misaki, Ota Risa, Kaga Remi, Kojima Mana, Watanabe Runa, Suzuki Marino, Kawaoto Yumi, Ogura Marika, Hamajima Sayaka, Yuikawa Shinomi, Kuraki Reina, Sakuma Yuuka, Izumi Riina, Kamisaki Erina and Nitta Mao.
- Name: Hamaguchi Ranko (浜口藍子)
- Nicknames: Ranran (らんらん), Guu-tan (ぐぅたん), Hama-chan (はまちゃん)
- Birthdate: October 27, 1994
- Blood Type: B
- Hobbies: Fashion, Shopping, Moving her body
Singles Participated in
- Baito Fighter
- Bishoujo Mokushiroku (Main Member)
- Oh my destiny
- Seishun Chronicle / Harinezumi to Jelly Bee (Main Mebmer)
- She collects barbies.
- Her favorite food is pork-flavor ramen, vegetables and macaroons.
- Her least favorite food is melon.
- Her favorite sports are dance, marathon, karate and basketball.
- Her favorite magazine is Vivi.
- Her favorite colors are light blue, pink and white.