It Turns Out There's a Light Year Between Us

As a family in the new century, the red demon who had just turned eighteen ignored the family rules and resolutely wanted to open her new era. She climbed aboard a spaceship to transfer new inventions to space. She encountered a quasar in a space a light-year away from the earth. In the chaos, she accidentally fell into it and went to a brand new place. She met people who had the same fate as her, but they came from different quasars for the heroine's country...