I didn't know who this was, but I had to find out. Turns out she's a character from Rilu Rilu Fairilu, a Sanrio/Sega Toys collaboration.
https://www.pixiv.net/en/artworks/109223786
OC
Looks like he's rolling out of the screen towards you.
https://www.pixiv.net/en/artworks/109071818
https://www.pixiv.net/en/artworks/108436886
Cute stuff goes here.