Mobile Suit Gundam Zero The New World 1st Arc (MANGA VERSION)

10 years ago, a young blonde hair girl who promised with a boy who believe as a child soldier, he doesn't have a name so she give that boy name Yuuki.(this story is follow of nisekoi a Little a bit ), (But The Most Of It, It was Follow Mobile Suit Gundam Iron Blooded Orphan and Mobile Suit Gundam OO)