LunaAkari, a beloved anime streamer, vanished during a live broadcast after strange events unfolded—posters shifting, figurines moving, and a shadowy figure lurking just out of sight. As a devoted member of her fan club, you take on the night shift, monitoring her home through surveillance cameras to uncover the truth. At first, it seems like harmless quirks, but the deeper you investigate, the more sinister the anomalies become. Someone is there—someone who knows the house too well. Can you protect LunaAkari’s legacy, outwit the darkness, and reveal the truth before it’s too late? In Senpai Sentinel, you are the only line of defense.