Real Name: Junnosuke Mizoguchi (溝口淳之介; Mizoguchi Junnosuke)
Stage Name: Jun Mizoguchi (溝口ジュン; Mizoguchi Jun)
Nicknames: Miso-san, Jun-kun, Rida-senpai
Birthday: December 5, 1992 (Age 24)
Birthplace: Tokyo, Japan
Charmpoint: Yellow Highlights
Weakpoint: Weak dancing skills
Favorite Foods: Taoyaki, egg rolls, green tea ice cream
Least Favorite Foods: Taro, sashimi, bone marrow
Favorite Subject: Japanese
Least Favorite Subject: Mathematics
Motto: "It's never too late!"
Favorite English Word: Japan
SECRET Otoko Color: Gold
Favorite Band: Hey! Say! JUMP
Favorite Hey! Say! JUMP Song: "Time"
Favorite SECRET Otoko Song: "SECRETS :-O"
- Hello! Project Groups:
- SECRET Otoko
- Jun and SECRET Otoko co-member, Kai Kawasaki, are currently the oldest members of the group at twenty-four.
- He is close friends with SECRET Otoko sub-leader and twin brother of LOVE Musume's Sakiko Kawasaki, Kai Kawasaki.
- He has a strong hatred for raw foods and taro.
- He's more active at night.
- He says that his ideal girl should be: kind, thoughtful, a good cook, loves to watch the stars, and has a great personality.
- He is currently enrolled at Waseda University, majoring in Performing Arts.
- He once wanted to join Johnny's as a child but decided that he would probably have trouble dealing with all the pressure.
- His dream is to travel the world.
- He is not good under pressure.
- He is afraid of heights.
- [2014.14.2] Tenso no Dai Machigai (as Takuya Nakajima)