Transformers Cloud is a Japanese web-based Transformers side story and toyline promotion series. It was released as a serialized online fiction project tied to Takara Tomy's Transformers brand, featuring characters and designs from various Transformers continuities. The series is known for its crossover-style cast and collector-oriented releases, presenting an alternate storyline rather than a traditional TV anime. It is most commonly identified by the simple master title Transformers Cloud.