I dont think its this but thee description of the first one kinda reminds me of this manga
https://www.mangago.me/read-manga/mobyama_aji_to_mobtani_crou_no_kareinaru_nichijou_e_no_chousen/
the first one sounds like ts but idk
https://www.mangago.me/read-manga/sex_with_the_love_interest_but_i_m_an_npc/
or ts
https://www.mangago.me/read-manga/zettai_bl_ni_naru_sekai_vs_zettai_bl_ni_naritakunai_otoko/

do you guys know a manga where the mc was transported in a bl manga but he's an extra? but then he'll eventually fall for the ml (another extra)
++ and a yaoi manga where they are both bottoms so they keep switching, the other dude is from the city and traveled to the country side because of his ex and the other dude is a sex maniac...? both are twinks, i think they are blonde and a red head
also can u guys reco me a similar thing like this? lol i love a comedy yaoi manga.