Transmigration with male mc?

greatest estate developer, but on this site it’s called “the world’s best engineer”, “the lousy side top” is shounen ai but transmigration.

These are really good

https://www.mangago.zone/read-manga/margrave_s_bastard_son_was_the_emperor/

https://www.mangago.zone/read-manga/life_of_a_magic_academy_mage/

https://www.mangago.zone/read-manga/the_black_haired_british_doctor/

https://www.mangago.zone/read-manga/living_as_the_enemy_prince_sellascans/

https://www.mangago.zone/read-manga/trash_of_the_count_s_family/


https://www.mangago.zone/read-manga/the_world_s_best_engineer/

https://www.mangago.zone/read-manga/i_ll_retire_after_saving_the_world/


https://www.mangago.zone/read-manga/magic_academy_s_genius_blinker/

https://www.mangago.zone/read-manga/a_villain_s_will_to_survive/