You need to download the mods needed for that character. That is one of roys mods so you can download over his blog: https://roy12mods.com/wp/ look for "Honoka" (you may wanna download his others mods too)
I wonder if there's any way of improve the antialiasing of this game. Doesn't matter how high you set the antialiasing it stays jagged.
SEE FULL SIZE: https://i.imgbox.com/vGlAi8jS.png