The military advisor who suffered from a heart attack transformed into a child who died during the experiment and was abandoned. The military advisor who was rescued and adopted now has a father. A few years later, a lovely sister was born, and the military advisor said that life was wonderful. Unexpectedly, a few days before moving into Asahina's apartment, the military advisor woke up and found that his warm-hearted sister Ema had been snatched by someone. The military advisor tried his best but could not drive away the foreign soul, so he bound the system that was said to be able to save his sister, and then embarked on the road to complete strange tasks. Ps: new writer, new article, Su, Xiaobai, the characters and plots are all broken, cp is undecided