Theres none.. This manga is where the story starts.. There are flashbacks and a short backstory in the manga itself...everybody wants the background story though...
（/TДT)/ saaaaaaaaaad! huhu. but thanks for the info.
You're welcome! ヾ(❀╹◡╹)ﾉ~
I wish the author atleast makes a dj with their backstory!
It will come... I believe in miracles!
I just hope it'll be soon. huhu ヽ(`Д´)ﾉ
can anyone tell me the title(or maybe link) where hirumo and masaki are not married? thanks in advance!