I Told You Not to Shoot Things into Space [Apocalypse]

On April 1, 2022, humanity sent a string of bioelectric signals into space. It was so short and faint that, without a powerful medium in space, it could exist for only 0.42 seconds. People did not know how far it could travel in those 0.42 seconds, or whether it might encounter anything along its brief journey. It was born from human brain waves. Its purpose was to transcend the constraints of language and matter and express humanity's "joy" to the stars and the sea of stars. People thought it would bring a beautiful encounter. They never expected it to bring despair and destruction. Tip 1: Fill in the blanks in "OO" in the title. Tip 2: The female lead is strong, and so is the male lead. Together, they're even stronger. Tip 3: Includes references to all kinds of games, literary works, and animation. Tip 4: Don't get hung up on the scientific details. This is mainly an adventure story. Theme: One day, all life will understand one another