Since the request is to "prepare a guide" for a video file with this title, Series Overview
This title is typically the English translation for the series or related works by the same studio. It generally falls into the "comedy/slice-of-life" subgenre of adult animation. Genre: Hentai, Comedy, Ecchi. Episodes: Usually consists of 2 episodes. Little Sister Is A Perv Too.mp4
If you are looking to watch the series in the correct sequence: Since the request is to "prepare a guide"
Use VLC Media Player or MPC-HC. These players have built-in codecs and are safer than using default system players. Little Sister Is A Perv Too.mp4
Often associated with Pink Pineapple or similar producers. Viewing Guide