Responses
try looking at the ones in this list
http://www.mangago.me/home/mangalist/688001/
Thank you very much ヾ(☆▽☆)
Any similar mangas that has the same plot like Ao no flag. I've already read http://www.mangago.me/read-manga/faded_first_love/ and http://www.mangago.me/read-manga/10th_you_and_i_fell_in_love_with_the_same_person/