The world is ruled by Titans. Humanity, the prey of the Titans, have built a giant wall that is 50 meters high. In exchange for freedom to explore the outside world, they are protected from invasion by it.

From the stone age to the current civilization, more than 2,000,000 years have passed.

Dreaming of the skies, a young boy who is aiming for the island of stars, meets a mysterious girl with blue hair who falls from the skies, herself. Their fates and lives became intertwined.

These two who head on a journey in the skies meet trustworthy allies, and at each area, they meet the Knights of the Skies. Avoiding the attacks of the empire and following a chance encounter with the star crystal beasts, the two’s bond grows stronger and deeper. However, their journey to the stars is a work in progress.

The high score girl is my journey to meet a girl better than myself at games.

‘What’s a polygon? Can you eat it?’ The arrival of the heyday of good old-fashioned 2D games was 1991.

It has become commonplace that humans now suddenly burst into flames becoming monsters of flame known as ‘Infernals.’ They cause insurmountable amounts of destruction while being part of the ‘human combustion phenomenon.’

The mission of a special fleet of firefighters is to stand up to the fear of flames while understanding this mysterious phenomenon and save humanity.

Then one day, a giant nemesis attacks the village!