Red head mls

https://www.mangago.zone/read-manga/as_you_wish_prince/

ml isn’t super green flag in the beginning but he’s not like alarming red flag either. he’s very PRETTY GREENFLAG TO ME

I actually just finished reading this earlier, it was a great story ヾ(☆▽☆)!!!

that’s good! i unfortunately cannot think of anything similar

https://www.mangago.zone/read-manga/beast_with_flowers/
ml is trying to be a green flag but only to the fl
not really a knights or magic story but it has a historical fantasy like aspect

also this one
https://www.mangago.zone/read-manga/a_true_knight_does_not_blindly_follow_money/

I alrdy finished "a true knight does not blindly follow money" and have alrdy started on "beast with flowers" thanks for recommending tho!!!