Is Bronze: Kouji Nanjo Cathexis hentai?
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

OVA · 1994 · 1 episodes · PG-13 - Teens 13 or older
Boys Love, Music
As an incredibly popular musician, Kouji Nanjou has released numerous music videos to promote his work. Despite his desire to avoid unnecessary probing from the media, he cannot help but reveal a glimpse into his obsession with Takuto Izumi. [Written by MAL Rewrite]
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