You wake up in the scramble crossing of Shibuya, when some frogs begin attacking you. Running for your life, you end up near to Hachiko, as you see people getting erased by monsters You suddenly forge a pact with an unknown person. You become able to fight now. The battle finishes and you meet your new partner. Joshua: My name is Yoshiya Kiryu, but Mom and Dad can call me Joshua. I suppose you can too, as my dear partner. He has a condescending smirk.