Shoujogata Heiki wa Kazoku ni Naritai

A slice-of-life comedy about an ultimate weapon in the shape of a cute little girl named "Alma", and the two scientists who created her! These two scientific geniuses are constantly being befuddled by Alma's incisive questions and analysis of their relationship!
(Source: Comic Newtype, translated)
Note: Chapter count includes three volume-bonus chapters.