Shotaro Mamiya (間宮 祥太朗 Mamiya Shōtarō, born 11 June 1993) is a Japanese tarento and actor. He is represented with Tristone Entertainment Inc. Mamiya's real name is Shotaro Mawatari (馬渡祥太朗 Mawatari Shōtarō) and has nicknames... see more