Woah!
55.423 beats the crap out of their current best first day sales, which was Valentine Kiss with 45,355!
Let's bring out ye olde chart!
First week targets:
Itano Tomomi - Fui Ni: 90,103
AKB48 - Iiwake Maybe: 90,774
WH7 - Valentine Kiss: 95,321
No Sleeves - Kuchibiru: 100,039
AKB48 - Namida Surprise: 104,180
WH has never broken 100K in their first week, but this could be it!