Wonderful Everyday: Down the Rabbit-Hole

What will you do when the last heaven comes? The story follows a group of high school students from Tokyo through a mystery revolving around a prophecy about the end of the world, and they try to find their own "wonderful everyday life". Wonderful Everyday: Down the Rabbit-Hole is a Visual Novel with multiple routes that develops a story based on a few concepts: "the sky and the world", "the beginning and the end", "literature and science", "savior and hero", "brother and sister".
Story
"Down the Rabbit-Hole" - a story about heaven and the world. One day, Minakami Yuki witnesses a stuffed animal falling through the air. How many times has this doll fluttered down and tried to make an offering to the sky? An offering to heaven - a way to find the "day we return to heaven"; a ritual that has been handed down in this town since time immemorial. These efforts should bear fruit in the place where the girls from earth and heaven meet. Vega and Altair, Orihime and Hikoboshi, two points of light separated by the vast Milky Way. Together with Deneb, the crown of the northern cross, they form the summer triangle. In allusion to the Trinity, this formation is also known as the "celestial triangle". When this celestial triangle shines above the sky, the world and the heavens meet. Takashima Zakuro, Wakatsuki Kagami and Wakatsuki Tsukasa and our heroine Minakami Yuki set off in search of the place where the points of the divine triangle intersect, where the world and the heavens unite.