Li Si has just become a Doctor and arrived in the world of Arknights.
Looking at one kemonomimi girl after another appearing before him, he thought he'd landed in paradise. He could enjoy a wonderful life: flirt with kemonomimi girls when he wasn't working, and fight the Reunion Movement when he was.
But...
Could someone please tell me what's going on with this useless angel, Gabriel, who has teamed up with my Exusiai?
And what's with that Academy City that suddenly appeared, the Hyperion battleship that inexplicably fell out of the sky, that Chaldea claiming to be an organization for the preservation of human history, and those strange women in black gear racing across the sea?
Damn it, these new 'Catastrophes' scared my belt right off... Wait, what the hell is this belt thing anyway?!