I think these BLs have what you're looking for:
https://www.mangago.zone/read-manga/kamikudaite_aio_oshiete/
https://www.mangago.zone/read-manga/gochisousama_ga_kikoenai/
https://www.mangago.zone/read-manga/saiteina_otoko_no_ude_no_naka/
https://www.mangago.zone/read-manga/koi_ga_ochitara/ (prequel)
https://www.mangago.zone/read-manga/koi_ga_michitara/ (sequel)
https://www.mangago.zone/read-manga/derail/
https://www.mangago.zone/read-manga/glasses_cloth_and_playlist/
https://www.mangago.zone/read-manga/mask_danshi_wa_koishitakunai_no_ni/
https://www.mangago.zone/read-manga/oreshika_shiranai_karada/ (prequel)
https://www.mangago.zone/read-manga/boku_wa_kimi_dake_no_mono/ (sequel)
Gimmer reccs with intense sexual tension BL