Our story begins... in a novel, comic or game that the Protagonist consumed prior to there transgression. Our dear Protagonist thinks that there are laws to being a Main Character, mob, supporting character, second male lead, villain...  ... more>>

There is a quality meta, 4th-wall shenanigans to be had. These are curated titles that are dependent on whether or not our dear protagonists, "they follow self-imposed rules"

(comics) The Stereotypical Life of a Reincarnated Lady, Zettai BL ni Naru Sekai vs. Zettai BL ni Naritakunai Otoko,  Ore ga Otome ge de Kyuuseishu, Inso Law, Heart Throbbing Conquer, I Think I Have Transmigrated Somewhere

(honorable mentions) Beware the Villainess, I'm No Heroine, Resetting Lady <<less

Face-slapping (* ＇Д＇)ﾉｼ)ﾟﾛﾟ)... more>>

Green tea b#tch (*´∀｀)_旦

White lotus (◕‿◕✿)

Everywhere *:･⋆ヽ(^◇^*)/ 
【QT】

⚠︎Contains SPOILERS Proceed with CAUTION⚠︎ <<less

Protagonists transmigrated into a mob/cannon fodder. No quick transmigrations.... more>>

1-31 Male protagonists

         1-8 Otome game setting

         9-16 other type of settings

         17-31 BL

32- Female protagonists

        32-42 JP/KR (mostly otome game/shoujo settings)

        43-52 CN (mostly josei)

         53-56 GL <<less