Originally Posted by Bloodsport Bloom

Alstroe Maria.
That look for her in particular is her anniversary 6 star edition, which you get upon your 1 year login.

Only obtainable via the log in bonus, I'm pretty sure she comes with unique skill/dressblooms for instant maxing.

No skill or dress blooms to be seen. You just get her. Her stats are also = to a 5* so she ends up being worse than all other 5* because it's harder to get her dress / skill blooms.