You are able to have the first 13 in this list. (The first is automatic/story)
http://xn--hckqz0e9cygq471ahu9b.xn--...A5%9E%E5%A7%AB

Expect lots of dupes. Gacha can be cruel. I've spend over 130k gems just trying for the last R Hime I need, Astaroth.