Read that one before but it's not dragon. It was snake. Its only chapter 6 (one shot)
http://www.mangago.zone/read-manga/anohito_to_nitenai_kuchibiru/mf/v01/c006/22/
Yup ..oh....i read it long ago...sry..but thanks.ヾ(☆▽☆)
I am the same though. I also read this long time ago, I just remembered it when you mentioned it. And it did confuses me about the "dragon" until I saw it. Too bad it was only 1chap, I want more.
Yeah ..ヾ(☆▽☆)
Hey i am not sure...but its related to yakuza or mafia....where the team leader is represented as black dragon and white dragon or sthg like that but one of the two quit the grp...and the grp member was agitated cuz the leader favour him...they didnt know abt their past and the stupid(￣∇￣") guy madea deal with their enemy..and made the leader be in a dangerous situation..and so...!!! I hope i find itヾ(☆▽☆)