This elusive work, originally published in 1972, is finally being adapted for the stage after 45 years! Ken Sogoru, who has erased the memories of the characters from the previous story, including the protagonist Yoshiyama Kazuko and her childhood friend Asakura Goro, returns to the future and appears before Yoshiyama Kazuko and her friends again to search for three scientists from the 27th century who went missing in the 20th century. Yoshiyama Kazuko helps Ken Sogoru search for the three scientists, and they travel back in time to find the scientists. A time-slip love comedy drawn by Ueda Makoto of Europe Kikaku, the flagship of sci-fi comedies.