Lockdown Zone: Level X Season 2

Horror / Mystery

Ryoka is awakened by flurry of text messages from her mother! Panicked and rushed, Mom is clearly concerned for Ryoka's safety, but she is not too keen on letting her daughter know why. Her reasoning being that nothing could really properly describe what is happening! The world might be ending! And there might be a massive new life-form on the roof of their apartment building! (Source: Denpa)

Horror / Mystery

Ryoka is awakened by flurry of text messages from her mother! Panicked and rushed, Mom is clearly concerned for Ryoka's safety, but she is not to keen on letting her daughter know why. Her reasoning being that nothing could really properly describe what is happening! The world might be ending! And there might be a massive new life-form on the roof of their apartment building! (Source: DENPA)

Horror / Mystery

High school girl Ryōka receives a message from her mother. Her apartment building has suddenly become an enclosed space. She must face off against a mysterious, unidentified lifeform known only as "X" to escape and return to her family. (Source: Anime News Network)