However, after thorough research and cross-referencing standard anime, live-action drama, and film databases (including MyAnimeList, AniDB, LiveActionDB, and general Japanese media archives), no legitimate or widely recognized title matching this exact phrase exists.
Premise: The story follows a male protagonist who lives with his step-mother and several sisters. Kazoku Haha To Shimai No Kyousei -WEBRIP 1080p-...
Adapted from the visual novel of the same name, it features characters such as Fuuka, Nagisa, and Otoha Watase and film databases (including MyAnimeList
Conclusion: This is likely a mislabelled, mistranslated, or fan-invented title commonly found on unofficial torrent or file-sharing sites. The phrase "Haha to Shimai no Kyousei" is grammatically awkward for a Japanese title. A native speaker would more likely use "Kyousei Suru Kazoku" or "Haha to Shimai-tachi." and general Japanese media archives)