Welcome to the El-Palacio

Welcome to the El-Palacio (ここが噂のエル・パラシオ, Koko ga Uwasa no Eru-Parashio) is a Japanese manga series by Takao Aoyagi. It was adapted into a Japanese television drama series that premiered on TV Tokyo in 2011 and ended on September 2013.

Plot
An almost road accident victim loses his memory after being pushed to a street power line pole to save his life. Not knowing his identity he is compelled to stay at his savior's residence, a gym and boarding house for female wrestlers, until he remembers... During his stay he becomes his savior's manservant and the gym's referee trainee.