Anime News Network (ANN) for detailed release dates and staff information. MyAnimeList (MAL) for episode counts and user reviews. aniSearch for specific content warnings and studio details.
Since the original 4-episode run is completed, are you looking for for similar "elder sister" themed anime, or were you perhaps thinking of a different series entirely? aneki my sweet elder sister the animation 14 engsub new
A student named Hashimoto is caught trespassing in a girl's locker room and is "punished" by a cheerleader named Yayoi. Anime News Network (ANN) for detailed release dates