​In the distant future of Space Age 216, the exploratory vessel “Kikumasa” detects an intriguing energy signal from beyond the Milky Way. Sending out Excursion Pod 18 to investigate, the crew member Yukiko Akagi becomes embroiled in a thrilling and unexpected encounter. On the verge of her wedding day, Yukiko collides with an unidentified flying object, only to awaken surrounded by extraterrestrial male aliens. These beings, created from cloned embryos resembling humans, have never encountered a woman before. Yukiko becomes their first intimate encounter, experiencing their untested and powerful sexual release firsthand. Prepare for a tantalizing journey through uncharted territory as boundaries are pushed and desires are unleashed.​