Use this Mod to use Peds as Add-Ons
https://www.gta5-mods.com/scripts/addonpeds-asi-pedselector

Included is:
Hagane FLower
Hagane Haku
Hagane Miku
Hagane Rin
Hagane IA
Hagane Lily
Hagane Miki
Hagane Neru
Kinzokunaga Neru
Sakerune Meiko
Zatsune Miku
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Installation:
- Using OpenIV, put all files into GTAV>mods>update>x64>dlcpacks>addonpeds>dlc.rpf>peds.rpf
- Run AddonPeds (Run as admin)
- Click "New Ped" input the names HaganeFlower,HaganeHaku,HaganeIA,HaganeLily,HaganeMiki,HaganeMiku,HaganeNeru,HaganeRin,KinzokunagaNeru,SakeruneMeiko,ZatsuneMiku.
- Set Ped Type to "Female" and Is streamed "False".
- press REBUILD.
- Done!
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Special thanks to RX1StrideR and Kodd84