>>529519202
Only if you count the chinese numbers in (which don't have the collab).

>>529514496
Without china the stellar blade collab made 13.7M. Here are some comparisons:

>SB collab: 13.7M
>Evangelion 2 collab: 13.1M
>Evangelion 1 collab: 16M
>Re:Zero collab: 14M

Stellar Blade is officially the second worst performing collab the game had.