When scientists in the mushroom kingdom found a strange kind of a weird mushroom they have research on it until the mushroom got bigger and bigger that cause the container the shatter and spreading the virus and cause the apocalypse, 5 Months past and the mushroom kingdom was ruined the only survivors is You, Mario, Luigi, Peach, and Yoshi, you are all at the base camp

Luigi:preparing dinner

Yoshi:Hungry

Peach:look at the remains of her kingdom

Mario:notice something off with you Are you okay?