巨乳女大学生沉迷变态教授的大玩具

　　三年前的 8 月 31 日，突如其来的“侵略者”，—艘巨大的“母舰”降落至东京上空，世界似乎迎来了终结……在那之后，绝望融入了日常生活，巨大的圆盘飘浮在上空的世界持续到现在。小山门出、中川凰兰两个高中少女，在这个走向终结的世界中，挥洒着自己的青春时代。

　　Four astronauts have to stay 1000 days in a space station around Earth in order to prove that a trip to Europa, one of Jupiter's moon, is possible. The experience goes well until something happens on earth.

　　The morning Stella decides to take her own life, a stranger knocks at her door claiming the guest room he booked for the night. Surprised but charmed by this man who seems to know her very well, Stella decides to let him in. But when Sandro, the man who broke Stella's heart, joins them at home, this odd situation turns immediately into chaos.

 皮皮鲁兄妹在自家衣柜发现309暗室，打开后遇到了科学家“觅工”并得到“致聪盔”。皮皮鲁将“致聪盔”戴到了宠物“大傻”的头上后，城市陷入瘫痪。皮皮鲁和家人齐心协力战胜“大傻”，魔方市恢复了原来模样。