Travis Bruno of Capsule Computers writes:
"Teenage romance is difficult to portray and often in anime this romance is taken to such an extreme that it is either devolves into a harem, relies on heavy fan-service or goes the omnibus route to create multiple endings. Every once in a while a romance story is created that features a great cast of characters or a unique twist that helps make the story worthwhile. As for Sentai Filmworks’ release of Mysterious Girlfriend X, this unique twist revolves around something unexplored in the industry so far. The question is, does this make the series worthwhile?"