https://www.mangago.me/read-manga/green_apple_paradise/
https://www.mangago.me/read-manga/heesu_in_class_2/
https://www.mangago.me/read-manga/kwak_ha_jun_s_observation_diary/
https://www.mangago.me/read-manga/murderer_llewellyn_s_enchanting_dinner_invitation/
https://www.mangago.me/read-manga/emergency_youth_record_book/
https://www.mangago.me/read-manga/countdown_to_love/
https://www.mangago.me/read-manga/tu_quoque/
https://www.mangago.me/read-manga/it_s_not_like_that_gangto/

I feel like BLs with a simple or cute artstyle has the best chemistry between the characters and they actually take their time for the characters to get to know each other. Examples like "One Room TA", "There are No Bad Dogs in The World" and "The First of Summers". I seriously need more of these if you guys can recommend me some