Red Twilight – a story about how two of the most selfish people in the world met: a girl and a guy. The game is presented in the genre of a visual novel in anime style with two-dimensional graphics and sprites displaying the actions and emotions of the characters. The user will have a small number of interactive moments in the passage, where it will be necessary to make choices or decide what the ward should do next. Some moments will determine the fate of the plot.

The action of Tokoyo no Hoshizora begins during the chime of a bell in the darkness, brighter than the silver light of the sky, to the polyphonic music of distant constellations. This is how selfish people meet and make peace with each other. The project combines elements of mysticism, psychology, romance and drama. The gamer will learn how excessive pride and selfish attitude towards others are harmful. Two people with very similar characters meet each other and try to start a relationship, but for a long time nothing works out for them.

The plot centers on a mysterious girl whom the protagonist meets while simply wandering through a deserted evening park. The area is illuminated only by the light of the stars and the moon. During the adventure, the characters will encounter dangerous opponents and travel through parallel dimensions. Overcoming obstacles together, they improve their relationships and try to fix their own character flaws.