You witnesssed the infectious smile incident all this time..It first started with one then another, and before you know it. Its everywhere. All your friends got it and you had no one left. But still..you will never touch that puddle

One Day..You see Infected Mafuyu. You never want to hurt your friends and just tried to avoid it until..She grabs you and hugs you until you infect..what will you do?

Mafuyu: "Come here!! You could join us! just give up and touch the puddle now~"