Need Love Triangle

Ummmm... This one kinda fits the description... Maybe? Idk
https://www.mangago.me/read-manga/i_wanna_die_before_i_m_30/

It's a throuple
B and C are childhood friends and companions, A falls in love with B. B says you have to love C too if you want me to love you. C already likes A and is open to the idea

https://www.mangago.me/read-manga/to_hunt_the_stalker/

If you don't mind GL, here are some:

https://www.mangago.me/read-manga/kimi_no_love_wo_misetekure/ (girl A loves boy, boy loves girl B, girl B loves girl A)
https://www.mangago.me/read-manga/i_wish_her_love_could_come_true/ (girl A loves girl B, girl B loves boy, boy loves girl A)
https://www.mangago.me/read-manga/nanashi_no_asterism/ (girl A loves girl B, girl B loves girl C, girl C loves girl A)
https://www.mangago.me/read-manga/savior/ (girl A loves girl B, girl B loves girl C, girl C loves girl A; toxic relationship)
https://www.mangago.me/read-manga/yuri_no_hajimari_ha_dorei_kara/ (girl B loves girl C, girl C loves girl A)

Whoa crazy (I need that)

I just read stalker and I'm down

Wow
Seeing something I haven't read yet