TOPHAMHAT-KYO is the stage name of Hitori Asobi (born December 24, 1988), a Japanese rapper, track maker, and music producer from Sendai. He began rapping in junior high school and built his early career online.
From 2008, he worked under the name AO with the rap crew RainyBlueBell on Nico Nico Douga. He also participated in projects including 魂音泉, らっぷし隊, KaraAge Boyz, バルトリン, TINY PLANETS, and 昭和カルテット. After collaborating through Underground Theaterz, he moved to Tokyo.
In 2013, he formed FAKE TYPE. with DYES IWASAKI. The duo suspended activities in 2017, and he then became more active as a solo artist. FAKE TYPE. resumed in 2020 and made a major debut through Universal J in 2022. He is a member of FAKE TYPE.
His solo work includes "Wanna be," the opening theme for Tojima Wants to Be a Kamen Rider. He is also known by the nicknames AO and THHK. The name TOPHAMHAT-KYO refers to his former work in a ham factory and to Sir Topham Hatt from Thomas the Tank Engine.
