This mod can only be used in Chara Studio. 
Its not possible use on Chara maker.
Place the ZIPMOD file inside on your mod folder. 

KOIKATSU\illusion\mods

patch notes:

2022-10-09: Release of mod. Contain basic weapons from: Annabella, Cobalt-B, Lin Ya, Nemesis, Pepper.
2022-10-10: Added most R and SR weapons(Names may be wrong for some weapons)Bai Ling, Echo, Ene, Hilda, Huma weapon, Seraph model.
2022-10-28: Added most SSR weapons Standard: Claudia, Cocoritter, Crow, Frigg, King, Marc, Meryl , Samir, Shiro, Tsubasa.
2022-12-18: Added Vehicles and SSR weapons characters from Vera: Ruby, Saki Fuwa, Lyra, Tian Lang.