trying to find more gems

Not exactly sleeper, but if you like game elements or power fantasies, I finished Dungeon Reset and The Greatest Estate Developer recently and really enjoyed both of them

https://www.mangago.me/read-manga/hokuou_kizoku_to_moukinzuma_no_yukiguni_karigurashi/
https://www.mangago.me/read-manga/girl_meets_rock/
https://www.mangago.me/read-manga/mousou_telepathy/

https://www.mangago.me/read-manga/the_dependable_delinquents_daily_lives/

https://www.mangago.me/read-manga/neko_ga_gotoku/

https://www.mangago.me/read-manga/aisaretagari_no_shironeko_miko_san/

https://www.mangago.me/read-manga/mofumofu_to_mukumuku_to_isekai_hyouryuu_seikatsu/

https://www.mangago.me/read-manga/penguin_kissa_wa_kyo_mo_seiten/

https://www.mangago.me/read-manga/scallion_and_coriander_without_chilli/

https://www.mangago.me/read-manga/tokyo_kaijin_rhapsody/

https://www.mangago.me/read-manga/meiou_no_zakuro/

https://www.mangago.me/read-manga/hello_veterinarian/

https://www.mangago.me/read-manga/kim_oh_jin_s_adventures_with_strange_animals/

https://www.mangago.me/read-manga/the_evil_ring/

https://www.mangago.me/read-manga/the_delusional_hunter_in_another/

https://www.mangago.me/read-manga/ojisama_to_neko/

https://www.mangago.me/read-manga/the_ultimate_shut_in/

https://www.mangago.me/read-manga/the_black_haired_knight_king/

https://www.mangago.me/read-manga/the_great_emperor_shinmadae/

https://www.mangago.me/read-manga/i_became_the_first_prince_legend_of_sword_s_song/

https://www.mangago.me/read-manga/taro_miyao_becomes_a_cat_parent_official/

https://www.mangago.me/read-manga/hosomura_san_and_the_cat_s_snack/

https://www.mangago.me/read-manga/sekai_wo_teki_ni_mawashitemo_neko_wo_aishiteru/

https://www.mangago.me/read-manga/nekodamari/

https://www.mangago.me/read-manga/cat_on_the_hero_s_lap/

https://www.mangago.me/read-manga/one_room_dog/

https://www.mangago.me/read-manga/meow_meow/

https://www.mangago.me/read-manga/old_man_and_nyankichi/

https://www.mangago.me/read-manga/obssesed_butler/

https://www.mangago.me/read-manga/neko_s_massage_salon/

https://www.mangago.me/read-manga/the_life_of_a_grandpa_cat/

https://www.mangago.me/read-manga/she_doesn_t_know_why_she_lives/

https://www.mangago.me/read-manga/black_cat_and_soldier/

https://www.mangago.me/read-manga/please_call_me_red_panda/

https://www.mangago.me/read-manga/good_morning_leon/

https://www.mangago.me/read-manga/a_story_about_a_cat_reincarnated_in_a_different_world_where_there_are_no_cats/