Yayyy

Titan’s bride is also a BL isekai if you wanna check that out lol

Thank you for your recommendation! I have read Titan's Bride and I really like it ლ(´ڡ`ლ) If you have more recommendation please tell me though ♡♡ I Really appreciate it ! ヾ(☆▽☆)

Yeah I know a few:

Isekai parody, guy thrown into otome
http://www.mangago.zone/read-manga/isekai_tensei_ore_ga_otome_ge_de_kyuuseishu/
http://www.mangago.zone/read-manga/i_took_a_trip_to_an_otome_game/

Straight guy realizes he’s living in a BL world
http://www.mangago.zone/read-manga/zettai_bl_ni_naru_sekai_vs_zettai_bl_ni_naritakunai_otoko/

Actual bl isekai with smut
http://www.mangago.zone/read-manga/isekai_yakuza_mofumofu_no_taizaiki/
http://www.mangago.zone/read-manga/isekai_trip_sex/
http://www.mangago.zone/read-manga/tale_of_the_yellow_dragon/?IQci
http://www.mangago.zone/read-manga/reincarnated_into_demon_king_evelogia_s_world/

Similar to this story but manga is not translated yet

https://comic-walker.com/contents/detail/KDCW_EB03201523010000_68/
It also has a novel:
https://www.novelupdates.com/series/the-traveling-hero-wont-let-the-innkeepers-son-escape/

More novels
https://www.novelupdates.com/series/nurturing-the-hero-to-avoid-death/
https://www.novelupdates.com/series/the-scum-villains-self-saving-system/
https://www.novelupdates.com/series/picked-up-a-strange-knight/