Real demo Shiawase ni Shite Kudasai ne?

A high school girl enjoys a dating simulation game called "Celestia," where she has built strong relationships with multiple female characters. Struggling to choose one for a confession, she experiences a sudden explosion and a shooting star. She awakens to find herself meeting one of the game's main characters, who declares her love. This leads to a romantic comedy where the game's affectionate female characters enter her real world.