Ja Wangnan can’t seem to pass the 20th Floor. Even after failing time and time again, he refuses to give up. On his journey, he meets a mysterious and powerful character named Viole. Wangnan invites Viole to join his team of Regulars. Their journey continues with new challenges at every turn. (Source: Crunchyroll)
Texto original em inglês — tradução indisponível agora.
