Shutline
some good ones are payback and zero day attack -- the ml's identity is revealed towards the end (payback not super but it does kind of happen)
https://www.mangago.zone/read-manga/approximal_guide/
https://www.mangago.zone/read-manga/death_delayed_for_a_short_time_because_of_the_will/ (this especially is like big reveal)
https://www.mangago.zone/read-manga/the_rogue_prince_is_secretly_an_omega/ (Mostly to people in general instead of the ml)
Cozy Obsession
any bl recs where there is a big reveal about the mc’s or ml’s identity that the other person doesn’t know about? i’m thinking like kill the lights, at the end of the road, payback, my guildmaster…? (forgot the rest of the name). i love the buildup to a big reveal it’s too good