I am watching with great interest, that said, there arent many, and i suffer from "ive already read them all" disease. so, if you're one of the lucky few who haven't, take this:
https://www.mangago.me/read-manga/summoning_a_bl_fan_to_another_world/
https://www.mangago.me/read-manga/stuck_in_my_sister_s_dating_sim/
https://www.mangago.me/read-manga/shouwaru_boukun_kishu_to_nagasare_senba/
The covers weird but its normal i swear. ^^^
https://www.mangago.me/read-manga/i_became_the_lousy_side_top_official/
https://www.mangago.me/read-manga/i_have_to_be_a_great_villain/
this one is... alright? its good actually, just, a slowburn ^^^
https://www.mangago.me/read-manga/omega_ni_dake_wa_naritakunai_isekai_tensei_shitara_ane_no_bl_manga_no_nakadeshita/
not many chapters out, but the closest to a traditional isekai.
https://www.mangago.me/read-manga/highschool_boys_trapped_in_a_fantasy_world/
and finallyyy...
https://www.mangago.me/read-manga/dear_sister_i_ve_become_a_blessed_maiden/
though im sure you've read this one.
if you want, here's my personal list.
https://www.mangago.me/home/mangalist/2350685/
Mine. Not sure it qualifies as a proper isekai but it is my favorite. https://www.mangago.me/read-manga/to_be_or_not_to_be/
https://www.mangago.me/read-manga/the_affairs_of_the_other_world_depend_on_the_corporate_slave/
https://www.mangago.me/read-manga/sweetie_sweetie_sweetie/
https://www.mangago.me/read-manga/the_fallen_duke_the_knight_who_hated_him/
The last one I think was uuh second life kind of thing but it's really good so read it
Irrelevant, but you vocabulary is immaculate
Oh my, thank you good sir.
My utmost pleasure.
indubitably.
Gosh, now I’m flustered.
Rec your fav bl/gl isekai pleaseヾ(☆▽☆)