The anime adaptation of Yosuke Kaneda’s manga The Classroom of a Black Cat and a Witch (Kuroneko to Majo no Kyōshitsu) has released a new promotional video that not only previews the second half of the season but also debuts an unreleased opening theme, giving fans their first full look at what the second cour will deliver. The video, which arrived alongside fresh casting announcements and soundtrack details, signals that the series is maintaining its momentum as it continues its uninterrupted run through the current anime season.
New Promotional Video Reveals Second Cour Opening Theme
The centrepiece of the latest promotional material is the brand-new opening theme titled ∞Rettō-Sei (Infinitely Inferior Star), performed by the singer Akari Nanawo. The track will serve as the opening for the second cour of the series, replacing the first opening as the show progresses into its next story arc. The video itself weaves together new footage from the upcoming episodes with the song, offering a tonal preview of what the production team is building toward in the second half of the broadcast.
Akari Nanawo, known for her distinctive vocal style and previous contributions to anime soundtracks, brings a energetic and emotionally charged performance to the series. The choice of Nanawo for the opening suggests that the second cour will lean into the more dramatic and magical elements of the story, as the track’s title — Infinitely Inferior Star — hints at themes of inadequacy, growth, and the struggle for self-improvement that lie at the heart of the protagonist’s journey.
What Is the New Opening Theme for The Classroom of a Black Cat and a Witch?
The new opening theme for the second cour is titled ∞Rettō-Sei (Infinitely Inferior Star) and is performed by the singer Akari Nanawo. The song debuts alongside the latest promotional video and will be used in the continuing broadcast of the series during its second cour.
Production Team and Creative Direction
The anime is produced by LIDEN FILMS, the studio behind a growing roster of fantasy and action-oriented adaptations. Director Naoyuki Tatsuwa is at the helm, bringing a visual style that balances the whimsical elements of witchcraft with the more grounded emotional beats of the character drama. The scripts are handled by Midori Goto, whose experience in structuring long-form narrative arcs is expected to serve the two-cour format well. Character designs are overseen by Takayuki Onoda, whose work defines the look of the series’ magical academy and its inhabitants.
The decision to run the series for two consecutive cours without a break is a significant production commitment. It allows the storytelling to unfold at a measured pace, avoiding the mid-season hiatus that often disrupts momentum in split-cour anime. For a series that blends magical academy tropes with a central mystery — the curse that binds the protagonist and her feline companion — this uninterrupted format gives the creative team room to develop both the episodic world-building and the overarching plot threads.
The Source Material and Its Creator
Yosuke Kaneda, the creator of the original manga, is no stranger to series that mix romance, comedy, and supernatural elements. He is best known for Boarding School Juliet, a romantic comedy that ran from 2015 to 2019 and earned a devoted international readership. That series demonstrated Kaneda’s ability to balance character-driven humour with genuine emotional stakes, a skill that carries over into The Classroom of a Black Cat and a Witch.
With Kuroneko to Majo no Kyōshitsu, Kaneda shifts from the schoolyard rivalries of Boarding School Juliet into a full fantasy setting, but the core dynamic remains character-focused. The story leans on the relationship between its two main characters — a magicless witch and a cursed talking cat — and the pact they form to achieve their各自 goals. Kaneda’s manga has been serialised in Weekly Shōnen Magazine, a publication known for launching major shōnen hits, and the anime adaptation arrives as part of a broader push to bring more of the magazine’s fantasy titles to screen.
Story Synopsis and Central Premise
The narrative follows Spica Virgo, a young girl who dreams of becoming a witch but finds herself unable to use magic. Determined to attend the school of her dreams despite this fundamental limitation, she encounters Claude Sirius, a mysterious talking black cat who is himself bound by an ancient curse. Their meeting sets off a chain of events that leads the two to form a secret pact: Spica will help Claude break his curse, and in return, Claude will assist her in her quest to master witchcraft.
The setup is a classic magical-academy premise with a twist — the protagonist’s inability to perform magic forces her to rely on wit, determination, and the unique partnership she forms with Claude. This dynamic creates a natural tension between the traditional path to magical proficiency and the unconventional workaround that Spica and Claude must develop together. The series explores themes of self-worth, the meaning of talent, and the idea that power can take forms beyond the conventional.
Who Are the Main Characters in The Classroom of a Black Cat and a Witch?
The two central characters are Spica Virgo, a young girl who aspires to be a witch but cannot use magic, and Claude Sirius, a talking black cat cursed to remain in his feline form. They form a secret pact to help each other achieve their respective goals: Spica seeks to master witchcraft, while Claude aims to break the ancient curse that binds him.
Broadcast Details and Streaming Availability
The series premiered on April 12th and is scheduled to run continuously for two cours, meaning it will air without interruption through the summer season. This extended run provides the adaptation with enough episode count to cover a substantial portion of the manga’s story, assuming the pacing remains consistent.
International viewers can access the series simultaneously with the Japanese broadcast through Crunchyroll, which is streaming the anime as part of its seasonal lineup. The platform has been expanding its catalogue of fantasy and magical academy titles, and The Classroom of a Black Cat and a Witch fits neatly into that programming strategy. For audiences outside Japan, the availability of the series on Crunchyroll means that the new promotional video and its accompanying announcements are immediately relevant to the global fanbase.
What the Second Cour Promises for the Series
The arrival of a new opening theme and a dedicated promotional video for the second cour indicates that the production team is treating the second half of the series as a distinct narrative phase. In many two-cour adaptations, the first cour establishes the world and the central relationships, while the second cour deepens the conflicts and advances the larger plot. For The Classroom of a Black Cat and a Witch, the second cour is likely to explore the consequences of Spica and Claude’s pact, introduce new obstacles from the magical academy’s hierarchy, and begin addressing the nature of the curse that Claude carries.
The new opening theme by Akari Nanawo also serves as a tonal marker. The shift from the first cour’s opening to ∞Rettō-Sei suggests that the story is moving into a more serious register, even if the series retains its lighter character interactions. The footage shown in the promotional video reinforces this impression, with scenes that hint at larger magical conflicts and deeper emotional stakes.
Context Within the Current Anime Season
Spring and summer 2025 have seen a strong lineup of fantasy and magical academy anime, and The Classroom of a Black Cat and a Witch occupies a specific niche within that crowded field. Unlike series that focus on action-heavy magical combat or sprawling isekai worlds, Kaneda’s story emphasises character relationships and the struggle to overcome personal limitations. The talking-cat premise, while whimsical on the surface, grounds the series in a partnership that evolves over time rather than a solo power fantasy.
The decision to release a dedicated promotional video for the second cour, complete with an unreleased song, reflects the production committee’s confidence in the series’ ability to retain and grow its audience. In an era where streaming metrics and social media engagement influence how shows are marketed, the investment in a second-cour promotional push suggests that early viewership numbers have met expectations. For fans of the manga, the video also provides reassurance that the adaptation is maintaining its visual quality and narrative pacing beyond the first few episodes.
As the second cour approaches, the combination of a new theme song, fresh footage, and the continued availability of the series on Crunchyroll positions The Classroom of a Black Cat and a Witch as a title worth following through its entire run. The partnership between Spica and Claude — a magicless witch and a cursed cat — remains the emotional core of the story, and the second cour looks set to test that bond against the larger forces at play in their world.
