Potatoes Are the Only Thing That’s Needed in This World! summary: Like I say, potatoes are the only thing that’s needed in this world. Sorry, but my choice is potato. Travel with cute girls? Sorry, but my choice is potato. Got scouted by S rank adventurers? Sorry, but my choice is potato. How many times must I repeat myself? Potatoes are the only thing that’s needed in this world! All other things can go and die.