Once emotions arise, they cannot be stopped. Sisters x love x technology curiosity x crazy x robots The winner of the Golden Comic Newcomer Award: Wu Yushi; with his delicate and unique classical and gorgeous atmosphere, A cool and beautiful dystopian fable. The relationship between robots and humans, as sisters, is on the edge of fragmentation: Christmas is coming, Joe Dr. Milburn brings a gift to his daughter Lily - "Robot No. A-00". Lily, who is lively and kind but often feels lonely, name this special friend "Shirley". This is how she welcomed an important companion in her life who is like a sister. When Shirley began to possess the magic stone "heart", complex and contradictory emotions, a broken body, the opposite sex that she care about... What will gradually sprout from the cold machine body? How should "it" become the real "her"? ___ The busy doctor mother prepares a robot as a companion for her daughter. However, can the connection and intimacy between mother and daughter be replaced by a robot? When the daughter and the robot became sisters, why did they go from talking about everything to being suspicious of each other? "If I had spoken out clearly at the beginning, would the ending not be what it is now?"