This game has butterflies taking an important role in the story as a theme or character(s). Or it has butterflies all around on many scenes with multiple lines of dialogs related to them.

Butterfly (symbolism) is the embodiment of spiritual growth and transcendence. In Japanese culture, a white butterfly symbolizes the personification of a human's soul. In many cultures the butterfly also symbolizes rebirth, due to the butterfly being in a cocoon for a length of time and then awakening.