[DeepL Translation - needs review] Introduction of the first volume: Ryota Murakami, a high school student who cannot forget his childhood friend who died in an accident when he was a child, enrolls in the astronomy club and searches for aliens in order to fulfill a promise he made to her. One day, a beautiful girl named Neiko Kuroue, who is the exact duplicate of his childhood friend, transfers to Ryota's class. What is the secret of this somewhat out-of-this-world girl? This is the shockin...
