If you're looking for manga similar to Yuuki Yuuna is a Hero: Sonogo no Sonoko (Light Novel), you might like these titles.
Modern technology is a wonderful thing; every scrap of information is at our fingertips. However, this revolution seems to have passed some people by; one of these individuals is Mr. Takeda. He is about to be sent to on a business trip to Sendai and he is beginning to make his preparations. He wonders what Sendai will be like – except his imagination sucks. He ponders what he should take with him, but doesn’t really know what to do. Luckily his wife has the solution…
The story is centred around a cute android who initially had a happy life with her master who dearly loved her. But she was then struck by a series of misfortunes and ended up in a robot-equivalent of concentration camp. Through experiencing and witnessing the sufferings towards herself as well as the people/robots around her, she eventually gained a better appreciation of life.