Yukari Kuwayama

In a world of idle gods, humans are forced into brain challenges with them. With three defeats, gods lose their right to challenge, while 10 victories spell human triumph. Fay, determined to achieve the impossible, enters the ultimate test of wits against the gods. Will he defy divinity, or is he just another loss in the making?

While working as a taxi driver on the hectic streets of Tokyo, a reticent walrus gets pulled into a mystery involving a missing teenage girl.