That's not even unlikely. Your chances of pulling a SSR Hime is 1/67 (or rather, 1/66.6666666666666) and the chances of SSR gacha Eidolon is 1/67.
Technically you get one SSR per 33 tickets, but because you don't even care for the SSR Eidolons, you might as well consider it to be 1/67.