It's a bl, the MC has blue hair and the love interest is blonde. They are university student and at the beginning the mc confess his love for the ml and they start dating. But the ML turns out the be mega weird and do weird shit even tho he's stoic in public. They start leaving tgh for some reason and I think season 1 has ended and season 2 already started
I think your talking about
https://www.mangago.me/read-manga/one_room_ta/
I need recommendations of storys with good polyamory representation plssss
The best poly story of all time
- https://www.mangago.me/read-manga/love_me_to_death/

It's an historical manwha. The FL has with hair and blue eyes and she's Lazy spoiled and can't do anything by herself (i think). So her father send her on a mission with the ML to help her grow or something like that