Where to get yukimura mag

[Mokuro Rokudo]

I heard its from sub quest

[Deathy]

I forgot how I got one....

[HoshimiyaKate]

幸村の勾玉 クリティカル+9 玄武寺院(神) 祭礼の間（皇）
From JPN's wiki.

Yukimura Magatama, Critical +9 Drops from Genbu Cavern (HELL) and Room of Rites (HARD)
I remember getting it from a side quest too. can't remember exactly which one though. try accepting all the side quest if it doesn't bothers you.

[Ryouko]

幸村の勾玉 クリティカル+9 玄武寺院(神) 祭礼の間（皇）
From JPN's wiki.

Yukimura Magatama, Critical +9 Drops from Genbu Cavern (HELL) and Room of Rites (HARD)
I remember getting it from a side quest too. can't remember exactly which one though. try accepting all the side quest if it doesn't bothers you.

Comparing the JP to the US version may not be as accurate.

[Mokuro Rokudo]

Nope everyone has one so its probably from sheryl quest EDIT: I got one from sheryl quest just noiw

[Hinagiku Katsura]

i have two yukimura mag the first is i got from sheryl and the other two is im not sure but i remember i got the 2nd yukimura in shinoda hell