In Big Money City, players participate in "Hero Battles" using Bankfon Gs, which allows them to rent powerful hero suits and fight battles against other players, receiving power boosts from the system's public domain feature. Kaito Goushou, a young elementary school student who is always eager to help others, ends up hastily signing a contract to rent the powerful unlisted hero suit, "Enter the Gold," from a mysteriously seedy priest named Sennen; however, he soon learns that the suit comes with a debt of 10 billion yen, and Kaito must now clear his dues by winning Hero Battles. (Source: Wikipedia)

Pikupiku, Shirushiru, and Korokoro are three fairies that live on a floating island. Whether they're chatting about the weird things they encounter in their daily lives, goofing off in the enchanted "Room of Light and Magic," or gazing into their looking pool that shows bizarre worlds, the fairies are always having fun in whatever way they can. [Written by MAL Rewrite]

The anime revolves around a boy named Cota Coga (a wordplay on Coca-Cola) who strives to be the world's best Bottle King at the Bottle Battles in the virtual Drink World, with his Bottleman partner Colamaru and battles with various rivals. Bottleman! A new entertainment that has revolutionized the world! In the virtual space, Drink World, people use Bottleman to do bottle battles with one another! All strong bottle fighters aim to be the Bottle King!