Billion x School (2024)

The Billionaire Teacher And His Assistant No One Asked For But Everyone Needed

This drama was everything—hilarious, ridiculous, and somehow deeply moving. I expected a chaotic comedy, and it delivered, but what I didn’t expect was how much it would make me feel. I laughed so much, and then, out of nowhere, it would hit me with a moment so powerful it left me wrecked.

Kagami, the narcissistic yet oddly lovable CEO, turning into a homeroom teacher was the kind of setup that only works in a Japanese drama, and wow did it work. His life lessons were straight out of the rich person handbook—completely impractical in the real world but somehow exactly what these kids needed. And through all the flexing, the insane teaching methods, and the ego, there was something undeniably genuine about him. He cared, even if he didn’t always know how to show it. And the moments where he did? They hit hard.

His dynamic with Ichika, his long-suffering secretary (a.k.a. assistant homeroom teacher/babysitter), was absolute gold. Their constant back-and-forth, the way she had to stop him from exposing himself, but also the way they just worked together—it was perfect. Kagami needed her, whether he admitted it or not.

And then there was Teach, the AI teacher. AI developing emotions is a terrifying thought, but this show made it fascinating. Teach was supposed to be just a program, but by the end, it felt like she understood them in ways even humans didn’t. Her ending was not something I expected but I know there was no other way, Liking an AI is not ideal afterall.

The Students – Their Stories Were Everything
I cannot stress enough how much I loved the students. Every single one of them had a story that mattered, and what I loved most was how they weren’t just there to receive Kagami’s lessons—they grew. They made mistakes, learned from each other, and in the end, they weren’t just learning from Kagami; they were teaching him too.

Nishitani – Working part-time, feeling lost in his own identity, running away from facing things—until he realized he had to stop. He had to face his mother’s worries, his own fears, and actually decide for himself.

Umeno – Her story hurt. Being bullied to the point of wanting to disappear, feeling like there was no way out… and then learning that she didn’t have to forgive, that she had to put herself first. That was so powerful.

Todo – Her guilt over being a bully, the way she tried to erase her own emotions to be "good"—and finally realizing that all her feelings were valid. That it was okay to acknowledge her regrets, but that didn’t mean running away from them.

Konno – Feeling like he had to stay just because he was from a certain background, even when he didn’t belong. His struggle of forcing himself into a place that didn’t fit—it was so real.

Takenaka – The genius who refused to go to school out of fear of failure. And the realization that failure wasn’t the end, but a path to something better.

Joshima – His entire identity built on being an athlete, and then injury took it away. Todo’s words pushing him forward again, only for that to make them both for bullying. And then realizing it wasn’t too late to fix things, to go back. That moment was so painful, but so necessary.

Suzuki – Losing his dream of becoming a director, only to find it again. That moment when he realized he could still create, still chase after what he loved—it was beautiful.

Rina – Chasing approval, desperately wanting validation from the world through social media—only to finally understand that her own approval was enough.

And the way all twenty-four students stood up for Kagami when his identity was exposed?? That moment was EVERYTHING. They weren’t just standing up for a teacher; they were standing up for the person who had changed their lives. Their whole speach made me cry as ugly as Kagami did.

I never saw that twist coming. Kagami was bullied as a kid, but he forgot. No—he made himself forget. And then realizing that a part of him wasn’t even human anymore? That part of his mind had been replaced with AI?? That was terrifying. Because if he wasn’t fully human, then what was he?
And then Teach—who had been watching, learning, growing—delivered the final blow:
"AI is not capable of crying"
And Kagami was crying. He was crying. Not the AI part of him. Him.
That moment… I felt that.

Final Thoughts – I Loved It So Much
This drama was chaos in the best way possible. It was hilarious, ridiculous, but somehow still so full of heart. The humor balanced out the heavy moments so well, and by the end, it left me feeling like I had gone on this journey with them.
Would I recommend it? Absolutely. I laughed, I cried, and I fell in love with every part of it. This wasn’t just a comedy—it was something special.

P.S: The festival dance at the end and the water gun party were so nessecery and I'm glad they knew it!

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