Our research lab has all of the details on what happened between Callie and Marie following the Splatfest last year. Keep following along with the Squid Sisters Stories here: http://splatoon.nintendo.com/squid-sisters-stories/.
— Squid Research Lab
Source: Splatoon’s Tumblr.
…Wanna play? Buy a Switch.
And if you’ve already got yours, click on Splatoon 2 for everything you need to know about the game. 😀