5-Oku-Nen Button

Tonio is showing his sisters a globe's power to cause earthquakes. As their father lies critically ill and bills pile up, Dr. Inoue is presenting the 500 Million Years Button, offering a million yen for 500 million years in a void.

Tonio is pushing the 500 Million Year button, starting his isolated life; He is suddenly questioning the universe and delving into philosophical thoughts.

Tonio is remembering stargazing with Dr. Inoue in the mountains; He is asking her what the universe is, and she is using virtual reality to explain.

Tonio ponders alone in space, his ever-evolving thoughts are surpassing human wisdom, gradually leading him to enlightenment.

Tonio fires the button and gets trapped in space repeatedly; he meets Unko-chan and together they search for Unko-chan's father.

Tonio and his friends are buying an apartment with the money they got from the 500 million year button; Jaimi becomes active in using the 500 million year button; Dr. Inoue is inviting the three siblings to go on a trip using their invention.