Nitrate

The Classroom of a Black Cat and a Witch

  • TV-14
  • 2026
  • 1 season
  • Animation, Comedy
  • 7.6

Spica Virgo dreams of joining a magical academy, but there’s one problem: She can’t use magic! With no mentor or connections, her chances seem slim—until a mysterious talking black cat appears. A powerful mage cursed into feline form, he agrees to teach her in exchange for help breaking the spell. As their secret pact begins, Spica steps into a world of magic, mystery, and unexpected surprises.

Episodes

24 episodes
  1. 1Black Cat & Spica

    24 minApr 12, 2026

    Spica is trying to learn to become a master sorcerer. She has a long ways to go.

  2. 2Magic of the Zodiac

    24 minApr 19, 2026

    Claude comes up with a training plan for Spica, but it puts her in a bit of a bind.

  3. 3The Magicians of the Zodiac

    24 minApr 26, 2026

    Spica makes new friends at Diana Academy. She starts by getting Io Taurus out of a bit of a hole.

  4. 4Castor Gemini's Fate

    24 minMay 3, 2026

    The class is tasked with collecting mandrakes, when Io and Spica end up in a bit of a bugbear.

  5. 5Spica and Aria

    24 minMay 10, 2026

    Spica is preparing for her midterm exam. Meanwhile, Claude is looking for a student leader for the coven.

  6. 6Midterms

    24 minMay 17, 2026

    The students are tasked with raiding a gryphon's nest.

  7. 7Cross Magic

    24 minMay 24, 2026

    Spica and Hana join forces against the gryphon, but their combined magic might not be enough to pass.

  8. 8Winter Camp Begins!!

    24 minMay 31, 2026

    Spica and her coven-mates begin training with Claude at the camp.

  9. 9Bond of Flames

    24 minJun 7, 2026

    The Claude Coven begins Professor Hercules's training, which consists of a duel between covens.

  10. 10The Attack

    24 minJun 14, 2026

    Spica and the others finish their training, but a mysterious girl detains her.

  11. 11Tarf's Purpose, Chiron's Resolve

    24 minJun 21, 2026

    The coven attempts to escape from Arc and Rigel, and Chiron comes up with an idea.

  12. 12The Superior Magician

    24 minJun 28, 2026

    The confrontation with Arc and Rigel continues and concludes.

  13. 13Memories of Arcturus

    24 minJul 5, 2026

    Claude tells Spica the truth about the day of the attack on Diana and the capital.

  14. 14Maids at the House of Regulus

    24 minJul 12, 2026

    Thanks to the part-time job Spica landed at the Regulus House, she gets to know Leo better.

  15. 15Astraea's Troubles / Herbarium Book

    24 minJul 19, 2026

    Astrea asks Claude for help, and Spica practices her new powers.

  16. 16Io Taurus Gets to Work

    24 minJul 26, 2026

    Io wants to be a helpful member of society, but things don't quite work out. Claude offers her volunteer work.

  17. 17Finals

    24 minAug 2, 2026

    Finals are here, giving Spica and the other midterm flunkers a chance to redeem themselves.

  18. 18Adventures on a Deserted Island

    24 minAug 9, 2026

    Claude Coven is on an island to complete their finals. Spica ends up in a bit of a sticky situation.

  19. 19Race for the Ruby

    24 minAug 16, 2026

    Spica competes with Capella, Leo, and Ewe to retrieve a ruby from a demonic bird's beak.

  20. 20Finding the Diamond

    24 minAug 23, 2026

    Spica's in the lead for now, but she needs to do more to stay ahead.

  21. 21Spica vs. Aria

    24 minAug 30, 2026

    Spica and Aria duke it out over the diamond.

  22. 22Aria's Dream

    24 minSep 6, 2026

    There's a reason Aria is so put off by Spica's scholastic ambitions, and it isn't anything to do with her.

  23. 23Promising Upon a Starry Night

    24 minSep 13, 2026

    Claude is too cat to announce the end and results of the finals, so Principal Jeanne arrives to lend a hand.

  24. 24The Forbidden Date

    24 minSep 20, 2026

    Claude takes Spica to town to buy her a new wand, but she ends up looking for herself instead.

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Series cast

Kaede HondoSpica Virgo (voice)24 episodes
Nobunaga ShimazakiClaude Sirius (voice)24 episodes
Fuka IzumiAria Aquarius (voice)24 episodes
Miho WatayaHana Sasorijo (voice)24 episodes

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