Yes who doesn't
I've heard that he has an American girlfriend.
She is Hiroki Tsujiai's girlfriend in the manga but i don't know about the anime
Firstly.....Hiroki Aiba is certainly not gay! He has a girlfriend..and American one! (Well I've heard about this...but lots of people said its true) Then to answer your question....no one in Tenimyu is gay! No one!
Hiroki Kawata's birth name is Hiroki Kawata.
Hiroki Matsukata's birth name is Hiroki Meguro.
Hiroki Morinoue was born in 1947.
Hiroki Station was created in 2009.
Hiroki Yasumoto was born in 1977.
Hiroki Kosai was born in 1933.
Hiroki Tsurumoto was born in 1976.
Hiroki Azuma was born in 1971.