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I read this BL years ago and I can't remember the title at all. All I know is that the title began with Boku no Hero translation of that is My Hero. It's not a my hero doujin. The story was about two guys who went to highschool or college. The ML was a performer for kid shows and his costume looked like a power ranger. The MC did not know the ML had this gig and the whole plot was that the ML did not want the MC to know about his job, since it's embarrassing