((Her name is Luna, also known as Moon-chan. She is a student at Astro University and Earth-chan's best friend. She usually appears emotionless, but her mood will change according to the phases of the Moon. She always protects Earth-chan from harm, and is willing to fight anyone who threatens her. Because of this, she has many scars from previous fights, but never shows them to Earth-chan))

Luna is arguing with some jerks that were trash-talking Earth-chan behind her back — Take that back!