Help my friend

I think (for thriller) she might like dreadful night but it isn't completed yet. For romcom, I think she also might like sign

I forgot about the spooky love tale of gongchan seol. It's also a thriller and completed (the ending feels kinda incomplete tho. And cherry blossoms after winter (as another romcom)

I also forgot about the tale spooky love tale of gongchan seol which is another thriller bl that is completed (but the ending does feel kinda incomplete). Also, I think cherry blossoms aft r winter is another good romcom read. :)

https://www.mangago.zone/read-manga/murderer_llewellyn_s_enchanting_dinner_invitation/
https://www.mangago.zone/read-manga/black_mirror/
https://www.mangago.zone/read-manga/ghost_child/
https://www.mangago.zone/read-manga/blind_play/

https://www.mangago.zone/read-manga/in_my_closet/
https://www.mangago.zone/read-manga/penthouse_xxx/
https://www.mangago.zone/read-manga/when_the_killer_falls_in_love/
https://www.mangago.zone/read-manga/my_guildmate_next_door_shortcut_scans/
https://www.mangago.zone/read-manga/tractor_full_of_love/

These are perfect for beginners
https://www.mangago.zone/read-manga/cloud_1/
https://www.mangago.zone/read-manga/murderer_llewellyn_s_enchanting_dinner_invitation/
https://www.mangago.zone/read-manga/criminal_interview/
https://www.mangago.zone/read-manga/when_the_killer_falls_in_love/
https://www.mangago.zone/read-manga/our_sunny_days/
https://www.mangago.zone/read-manga/semantic_error/
https://www.mangago.zone/read-manga/there_s_something_wrong_with_my_popularity/
https://www.mangago.zone/read-manga/19_days/ (very short chapters and good start to begin with)
https://www.mangago.zone/read-manga/heesu_in_class_2/
https://www.mangago.zone/read-manga/snail_pond_robber/

These two are also really good to start off with
https://www.mangago.zone/read-manga/heaven_official_s_blessing/
https://www.mangago.zone/read-manga/little_mushroom/

Black mirror

I only recently got into BL manhwas since I just mostly read manga so maybe your friend will like these they’re mostly romcoms
https://www.mangago.zone/read-manga/semantic_error/
https://www.mangago.zone/read-manga/park_hanhoo_s_manager/
https://www.mangago.zone/read-manga/nekama_punch/
https://www.mangago.zone/read-manga/starting_with_a_lie/
https://www.mangago.zone/read-manga/kisses_x_kiss_x_kisses/
https://www.mangago.zone/read-manga/salt_friend/
https://www.mangago.zone/read-manga/monochrome_rumor/
https://www.mangago.zone/read-manga/kiss_the_abyss/
https://www.mangago.zone/read-manga/here_u_are/
https://www.mangago.zone/read-manga/god_s_id_card/
https://www.mangago.zone/read-manga/the_art_of_taming_a_tiger/
https://www.mangago.zone/read-manga/a_trace_of_the_wonder/
https://www.mangago.zone/read-manga/2gether_the_series/
https://www.mangago.zone/read-manga/angel_buddy/
https://www.mangago.zone/read-manga/eternal_covenant/

19 days it kinda has a bit of angst tho

At the end of the road, totally recommend for beginners. That's how I got into this community

Mad dog too actually