Shin Daa! Daa! Daa!

Following the events of the original series, Ruu has grown into a cheerful young man residing comfortably on his home world, Planet Otto. His peaceful routine is suddenly interrupted when a bewildered girl named Miu tumbles through a spatial wormhole originating from Earth. Moved by her plight, Ruu immediately steps forward to assist the stranded newcomer, making a steadfast promise to guide her safely back to her rightful home. However, an ironic twist remains entirely hidden from Ruu: Miu is actually the cherished daughter of the very individuals who so warmly welcomed, sheltered, and cared for him during his own unforgettable stay on Earth.