5.0 日语 · 2016 · 日本 · 日韩动漫 

小市眞琴,田村睦心,秦佐和子,小岩井ことり

Struggling young lovers, Tom and Eve, must endure a 30-day scientific experiment. Room, board, $50,000 and a month alone together in research facility housing. What could possibly go wrong.