BlazBlue

is the biggest anime.

Official Checklist:
(X) Maid
(X) Transforming Robots
(X) Magical Girl
(X) Cat Girl
(X) Zettai Ryouiki
(X) Blind Girl
(X) Sword wielded in mouth
(X) Thousand year old loli
(X) Obsession with older brother
(X) Big Boobs.
(X) Little Boobs.
(X) Angst.
(X) Childhood friends.
(X) Childhood promise.
(X) Jealous crush.
(X) Squirrel Girls getting turned on by giant transforming Tagers.
(X) Butlers.
(X) Emotionless girl.
(X) Yandere.
(X) Crybabies.
(X) Genderbending.
(X) Ghosts.
(X) Nurses.
(X) Chinese Dresses.

(more to come)