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!

The story will follow four girls who seek to use their songs to heal and soothe the people of their world. The tagline reads, "Kindhearted, powerful songs heal the world. These are beautiful miracles sung by humanity."

As the Shinda Sekai Sensen (SSS) continue their vindictive rebellion against God, their leader, Yuri Nakamura, comes up with an ingenious plan to escape the afterlife. Her subordinates prepare to carry out "Operation High Tension Syndrome" to deceive Kanade Tachibana, student council president and alleged associate of God, into thinking that they are ready to pass on. With a week's worth of food on the line and with Heaven as the ultimate prize, will the SSS members be able to fool the inscrutable Kanade? [Written by MAL Rewrite]