Spica Virgo has reached another important point in her journey.

The latest chapter of The Classroom of a Black Cat and a Witch is now available, and Chapter 121 begins the second stage of Spica's trial.

Titled "Start of the Trial's Second Stage!", the new chapter was released on September 22, 2026, through Kodansha's official K MANGA service. The series continues to update every other Tuesday.

And for Spica, the timing couldn't be more important.

The Witch Who Couldn't Use Magic

Spica's journey has always been built around a frustrating contradiction.

She wants to become a witch.

She wants to enter the academy of her dreams.

But there is one enormous problem:

Spica can't use magic.

That would already be a serious obstacle for an aspiring witch.

Then she encounters a mysterious talking black cat.

Unlike an ordinary cat, this one can actually use magic.

The meeting leads to a strange master-apprentice relationship between the two, with both characters needing something from the other.

Spica wants to learn magic.

The black cat wants his curse broken.

Their goals may be completely different, but neither can accomplish them alone.

Now the Trial Gets Harder

Chapter 121's title makes the latest development clear:

The second stage of the trial has begun.

That changes the situation for Spica.

The first stage was already part of her journey toward becoming a proper witch, but reaching the second stage means she has survived whatever was required to get this far.

Now the story is moving into another test.

And because Spica's greatest weakness is still her inability to use magic normally, every challenge has the potential to expose just how different she is from the other students.

That's what makes her progress interesting.

Spica isn't following the usual path.

She isn't simply becoming stronger because she discovers a massive magical ability.

Her progress comes from learning, adapting and relying on the unusual relationship she has developed with her black-cat mentor.

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The Black Cat Is Still the Biggest Mystery

Spica's story would be very different without the mysterious cat.

His ability to use magic immediately separates him from the ordinary world around Spica.

But the relationship isn't completely one-sided.

The cat also has a problem of his own.

He is cursed.

And breaking that curse is connected to Spica.

That creates an unusual dynamic between the two.

Spica needs him because she wants to become a witch.

He needs Spica because she may be able to help him regain what he has lost.

So while Spica is technically the apprentice, neither character is completely independent of the other.

A Partnership Disguised as Training

That's one of the more interesting aspects of the series.

On the surface, it looks like a traditional master-and-student story.

But the deeper Spica gets into her training, the more their relationship becomes a partnership.

She learns from him.

He depends on her.

And every new challenge tests whether the arrangement can actually work.

The second stage of the trial therefore isn't only about Spica proving herself.

It also gives the story another opportunity to explore the bond between the apprentice and the mysterious creature teaching her.

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Why Chapter 121 Matters

A chapter title like "Start of the Trial's Second Stage!" may sound straightforward, but it represents a significant transition.

The story is moving beyond the first portion of the trial and into a new phase.

That means the challenges facing Spica can now build on everything she has already learned.

She isn't starting from zero.

The lessons, failures and experiences that came before now become part of her preparation.

And that's important for a character whose biggest disadvantage has always been her lack of conventional magical ability.

Spica doesn't have the luxury of wasting what she learns.

Every lesson matters.

Every mistake can expose her.

And every successful step brings her closer to the academy she has dreamed about entering.

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What Makes Spica Different?

The easiest way to understand Spica is to forget the usual image of a powerful fantasy protagonist.

She isn't introduced as someone who immediately dominates everyone around her.

Quite the opposite.

Her inability to use magic is one of the first major obstacles standing between her and her dream.

That creates a different kind of progression.

Instead of asking:

"When will Spica become overwhelmingly powerful?"

the more interesting question is:

"How will Spica succeed when the normal rules are working against her?"

The answer has so far involved determination, unconventional training and her strange partnership with the black cat.

The second stage of her trial gives the manga another chance to push that idea further.

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And Then There's the Romance

The series isn't only a fantasy story.

K MANGA classifies The Classroom of a Black Cat and a Witch as Romance/Romcom and Shojo/Josei, and the relationship at the centre of the story is intentionally complicated.

The unusual master-apprentice arrangement comes with its own romantic tension.

Spica and the black cat aren't simply studying magic together.

The curse hanging over their relationship makes their connection more complicated, particularly because the method connected to breaking it involves an unexpectedly intimate condition.

That gives the series a mixture of:

• Magic academy fantasy
• Romance
• Comedy
• Mystery
• Character-driven training

And the latest trial provides a natural way to bring all of those elements together.

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The Story Is Still Moving

One thing that stands out about the latest release is how far the series has travelled.

Chapter 121 isn't a random side story.

It's another step in a long-running journey that has taken Spica from an apprentice who couldn't use magic to a character now entering another major stage of her trial.

The new chapter also arrives on the manga's established every-other-Tuesday update schedule, meaning readers can expect the story to continue developing through the current trial rather than stopping after this chapter.

For anyone following Spica's progress, this is therefore less about a single dramatic reveal and more about watching the consequences of everything she has learned finally begin to accumulate.

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What to Watch for in This New Stage

With the second stage now beginning, several things are worth keeping an eye on as the story continues.

1. Spica's magical development

Her inability to use magic normally remains one of the defining problems of her journey.

How she handles the next stage could reveal how much progress she has actually made.

2. The black cat's role

His knowledge and abilities remain essential to Spica's development.

The further the trial progresses, the more important his guidance could become.

3. Their relationship

The unusual bond between teacher and apprentice continues to sit at the centre of the story.

The second stage could put that relationship under additional pressure.

4. The trial itself

The biggest immediate question is simple:

What does the second stage demand from Spica?

The new chapter has opened that part of the story, and the answer will shape the next stretch of the manga.

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A New Test for Spica

Spica didn't enter the world of magic because it was easy.

She entered it despite the fact that she couldn't use magic.

She found a master despite having no money or connections.

And now, after everything that has happened since that first meeting, she has reached the second stage of her trial.

That makes Chapter 121 more than just another chapter number.

It's a checkpoint.

The first part of the journey is behind her.

The next test has begun.

And if Spica wants to reach the magical academy she has always dreamed about, she will have to prove that she can succeed in a world where she was never supposed to fit in.

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Looking for Something to Watch?

While Spica's next challenge unfolds in manga form, there are plenty of anime episodes available to watch right now.

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