AftLife -Shoujo to Neko to, Ushinawareta Sekai-

There is room in small house. A girl's name is Arisa, she is muttering. "……I'm hungry" A cat's name is Tis, she is amazed. "Duh, you just had breakfast?" A girl is laugh in easy everyday, and cry for small things. Then she reads a book about the outside world, and grows into an adult step by step. ――This is a story about take one step from the lost world.