|Akahoshi Corona紅星 陽菜|
|Measurements||Height: 155cm, Weight: 43kg, Bust-Waist-Hips: 88-53-79cm|
|Clothes||Bow Tie, Hair Tie, School Uniform|
|Personality||Brocon, Genius, Watashi|
|Role||Driver, Magician, Student, Younger Sister|
|Visual novels||Main character - Lamunation!|
|Voiced by||Kusuhara Yui|
Luna's twin younger sister. Romantically loves her brother and doesn't make much effort to hide. She is a genius and she herself made the car that the group uses to go to school. Just like Luna and Ramune, drinks ramune everyday.