by Introduction: Spring 2026 Anime Season Begins Strong
The Spring 2026 anime season has officially kicked off, and excitement is building fast. Following a strong winter lineup, April brings a fresh wave of anime premieres, including fan-favorite sequels, romantic stories, and large-scale fantasy epics.
Among these releases, one title stands out for a surprising reason:
A massive 5-cour anime project, something rarely seen in modern anime production.
In this article, we’ll explore the 3 major anime series premiering on April 3, 2026, along with key highlights, story details, and why they deserve a spot on your watchlist.
April 3, 2026 Anime Lineup: 3 Must-Watch Titles
1. The Angel Next Door Spoils Me Rotten – Season 2
- Channel: TOKYO MX and others
- Release Date: April 3, 2026 (Friday)
- Time: 10:30 PM
- Cast: Taito Saka, Manaka Iwami, Taku Yashiro
- Original Work: Saeki-san (GA Bunko / SB Creative)
Story Overview (Beginner-Friendly)
This heartwarming romance follows:
- Amane Fujimiya – A quiet, ordinary high school boy
- Mahiru Shiina – His beautiful and kind neighbor, known as the “Angel.”
In Season 1, their relationship slowly developed as Mahiru began taking care of Amane’s daily life.
What’s New in Season 2?
Season 2 begins after a major turning point:
The two officially start dating
Now, the story explores:
- Their growing romantic relationship
- Emotional ups and downs of young love
- Deeper character development and bonding
Why You Should Watch
- Relaxing and feel-good romance
- Realistic portrayal of relationships
- Perfect for beginners and casual viewers
2. That Time I Got Reincarnated as a Slime – Season 4 (5-Cour Project)
- Channel: Nippon Television, BS11
- Release Date: April 3, 2026
- Time: 11:00 PM
- Cast: Miho Okasaki, Megumi Toyoguchi, Tomoaki Maeno
- Original Work: Fuse / Taiki Kawakami
What Is a 5-Cour Anime? (Simple Explanation)
A cour is a 3-month broadcast period (usually ~12–13 episodes).
A 5-cour anime means:
- Around 60+ episodes total
- A long-term, large-scale story
This makes Slime Season 4 one of the most ambitious anime projects of 2026.
About the Series
This globally popular isekai story follows:
- Rimuru Tempest, a man reincarnated as a slime
- He builds a powerful nation where humans and monsters coexist
Popularity Highlights:
- Over 40 million copies in circulation
- Massive international fanbase
What to Expect in Season 4
- Large-scale political conflicts and wars
- Expansion of Rimuru’s kingdom
- Introduction of new, powerful enemies and allies
- More intense action and emotional storytelling
Why This Is the Biggest Highlight
- Rare long-format anime (5 cours)
- Deep world-building and character arcs
- Ideal for fans of epic fantasy and isekai
3. Snowball Earth – A Unique Sci-Fi Survival Story
- Channel: Nippon Television Network
- Release Date: April 3, 2026
- Time: 11:30 PM
- Cast: Takuto Yoshinaga, Daisuke Hirakawa, Ami Koshimizu
- Original Work: Yuhiro Tsuji (Monthly! Spirits)
Story Overview
This sci-fi anime tells the story of:
- Tetsuo – A shy and ordinary boy
- Yukio – A giant robot companion
After a mysterious incident, they return to Earth:
10 years in the future
But the world has changed drastically:
- Earth is now a frozen wasteland
- Survival becomes their main goal
What Makes It Unique
- Emotional bond between human and robot
- Post-apocalyptic survival setting
- Mystery surrounding the frozen Earth
Why You Should Watch
- Fresh concept compared to typical anime
- Strong emotional storytelling
- Ideal for fans of sci-fi and adventure
Key Trends in Spring Anime 2026
1. Bigger Productions
- Long-format series like 5-cour anime are gaining attention
2. Strong Character-Driven Stories
- Romance and emotional depth are key themes
3. Global Popularity
- Many anime are based on internationally successful novels and manga
Final Thoughts: Which Anime Should You Start With?
Top Recommendations
- For romance lovers: The Angel Next Door Season 2
- For fantasy fans: That Time I Got Reincarnated as a Slime Season 4
- For sci-fi enthusiasts: Snowball Earth
Conclusion: A Promising Start to Spring 2026
The April 3 anime lineup proves that Spring 2026 is packed with high-quality, diverse, and exciting content.
From sweet romance to massive fantasy epics and unique sci-fi adventures, there’s something for everyone.
If you’re planning your watchlist, these three anime are the perfect place to start.
