Zexcs
Zexcs is a Japanese animation studio based in Koganei, Tokyo, known for producing television anime, original video animation, and animated films.
Last updated August 25, 2026
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Overview
Zexcs, Inc. is a Japanese animation studio headquartered in Koganei, Tokyo. The company was established on January 23, 1998, by Tomoko Kawasaki, a former producer at J.C.Staff. Its business is centered on animation production for television series, original video animation projects, and films. Zexcs is recognized within the Japanese animation industry for its work on titles including Sister Princess and Diabolik Lovers. The studio has also worked in cooperation with Feel, a related sister company, reflecting the collaborative production structure often used by Japanese animation studios for staffing, planning, and production delivery. The studio was founded during a period when Japanese anime production was increasingly organized through partnerships among production committees, broadcasters, publishers, licensors, and specialist animation contractors. In that model, a studio such as Zexcs may serve as the principal animation-production company for a project while other companies provide financing, source material, distribution, merchandising, or broadcast support. Zexcs's public profile is therefore associated primarily with the anime works it produces rather than with a consumer-facing product portfolio. Sister Princess is among the works most commonly associated with Zexcs in reference material. The series helped establish the studio's presence in television animation. Zexcs is also associated with Diabolik Lovers, a franchise originating in games and drama CDs that was adapted into television anime. These projects illustrate the studio's participation in adaptations of existing intellectual property as well as in serialized television production. Zexcs's cooperation with Feel is another recurring feature of its industry profile. Both companies have been involved in Japanese animation production, and their relationship provides a basis for collaboration on selected projects. Publicly available reference material does not establish Zexcs as a listed company, identify a major parent corporation, or provide a detailed account of its current executive team, financial performance, workforce, or corporate ownership. Accordingly, the brand is best understood as an independent or privately held animation-production identity whose significance derives from its production credits and industry relationships. Zexcs remains associated with the Japanese animation sector and with the production of television anime, original video animation, and films. Its work is distributed beyond Japan through licensing, streaming, home video, and other international channels, although the available reference material does not provide a complete list of markets, distributors, or current productions.
History
Zexcs was established on January 23, 1998, in Japan by Tomoko Kawasaki, who had previously worked as a producer at J.C.Staff. The company was formed as an animation-production studio and became part of the broader Japanese anime production ecosystem, where studios commonly undertake the physical and creative production of television series, video projects, and films commissioned or financed through production committees. The studio's early and continuing identity has been shaped by production credits rather than by a standalone consumer product line. Zexcs became known for its work on television anime, including Sister Princess. That project connected the studio with a broader multimedia property and helped make Zexcs recognizable among anime viewers and industry observers. The company subsequently participated in additional television and video projects, including adaptations associated with established Japanese entertainment franchises. Zexcs is also known for its involvement with Diabolik Lovers, an anime adaptation of a multimedia property that originated outside conventional television anime. The project demonstrated the studio's role in translating existing character and story franchises into serialized animation. More generally, Zexcs's catalog reflects the importance of adaptation work in Japanese animation, where manga, novels, games, drama CDs, and other source formats are frequently developed into television or video anime. A further feature of Zexcs's history is its cooperation with Feel, described in reference material as a sister company. Such cooperation is consistent with the collaborative nature of anime production, in which studios may share personnel, coordinate production resources, or work together on particular projects. The available reference material does not provide a detailed chronology of the relationship or identify a single corporate holding company controlling both entities. Zexcs has worked across television series, original video animation, and films. However, the source material available for this entry does not provide a complete production catalog, detailed release chronology, ownership history, financial information, or current management roster. No public evidence in the supplied references indicates that Zexcs is publicly listed. Its present brand identity is therefore best described as that of a Japanese animation studio whose reputation rests on its production work and its participation in collaborative anime projects.
- 1998
Zexcs is established
[1]Tomoko Kawasaki, formerly a producer at J.C.Staff, establishes Zexcs on January 23 in Japan.
Production of Sister Princess
[1]Zexcs becomes known for its animation-production work on the Sister Princess television anime project.
Production of Diabolik Lovers
[1]The studio is associated with the television anime adaptation of the Diabolik Lovers multimedia franchise.
Products and positioning
A Japanese animation-production studio serving television, video, and film projects, with a profile built around production work for established anime and multimedia franchises.
Animation production
Television anime series
Zexcs produces animated television series for the Japanese anime market. Its television work includes adaptations and franchise-based projects, with Sister Princess and Diabolik Lovers among the titles specifically associated with the studio in reference material.
Animation production
Original video animation
The studio's activities include original video animation, covering animated productions released primarily through video and home-entertainment channels rather than conventional broadcast schedules. Specific titles and release dates are not identified in the supplied reference material.
Animation production
Animated films
Zexcs is also identified as working on animated films. The available reference does not provide a complete filmography or identify particular feature releases, so no individual film claims are added here.
Television anime
Sister Princess
Sister Princess is one of the television anime projects for which Zexcs is recognized. It is associated with the studio's development as a producer of serialized animation and illustrates its participation in adaptations of established multimedia properties.
Television anime
Diabolik Lovers
Diabolik Lovers is a television anime project associated with Zexcs. The series adapts a multimedia franchise, reflecting the studio's role in producing anime derived from games, drama recordings, and other established entertainment formats.
Sources1 sources
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