"Erotica is righteous." You're damned right! If it's sexy, that's all that matters! Gentlemen of the nation, we give you the 4th ecchi anime ADV game!! Details be damned, what's important is it's FULL OF SEX! That said, here's the details: Limit!? Oniichan 2013 is about going beyond the limits: She drank too much! Missed the last train! Your junior partner crashes at your apartment for the night. Yadda yadda, et cetera, you cross the line! That's the gist! A man does what every man yearns to do as the white knight. "Oh no! The stations are closed. What now?" Tee hee. The ultimate situation realized as a full anime ADV game, with re-imagined ero scenes of "quiet eros" created for tantalizing realism and ambiance. She's really there! In your home!