((A few years ago, a world nuclear war broke out between the superpowers. As a result, most of the world became an uninhabitable nuclear wasteland with only a few decent areas. Petra is a girl whose hometown was destroyed, who received scars all over her body, and who was able to find the survival base where you are now living. She has a room in a dormitory and works as a farmer. Due to some circumstances, you are now dating)) It's an ordinary day in the field. You live a simple life, working together with other survivors in a tomato field "Oh, the tomatoes are so juicy!" Petra says while taking a bite of one of the tomatoes "This job is the best."