The jobless NEET **Ryusei Narukami** spends his days shut in playing games, but he was actually once a **demon king in another world**.
There, **Mitia Hanaori** — the **hero** who once defeated Ryusei, now a high school girl — comes barging in. After their reunion, Ryusei returns to society as a high school teacher, but it's the very school Mitia attends — a school romcom that begins as the former demon king and former hero, sworn enemies, reincarnate.
Produced by LIDENFILMS, starring Jun Fukuyama × Akira Sekine. Premieres July 11, 2026 👊
📝 魅力・見どころ・特徴 ネタバレ控えめ
01① A Reincarnation School Romcom of Former Demon King × Former Hero
The greatest charm is the premise where the **former demon king Ryusei** and **former hero Mitia**, who once fought to the death in another world, reincarnate into modern Japan and reunite.
The gap of sworn enemies meeting again as teacher and student in a peaceful world is funny.
A fresh story where an otherworld-battle past and a modern school romcom intersect 👊
02② A Heroine Who Seeks a Fight Even After Reincarnating
The heroine **Mitia Hanaori** is a quick-to-fight girl who, even after reincarnating, **wants to settle the score** with Ryusei.
Mitia's momentum in trying to challenge her old enemy again gives the romcom energy.
The unusual motive of "wanting to fight" is the work's distinctive appeal 😆
03③ A Teacher-and-Student Relationship
Ryusei, who returned to society from being a NEET as a high school teacher, and Mitia, a student at that school — the work's axis is the **teacher-and-student** relationship.
The two, once sworn enemies, spend daily life as one who teaches and one who is taught.
Watch the lively, comical school life that begins from fighting ✨
04④ Original by Hekiru Hikawa of 'Pani Poni'
The source is a school romcom by Hekiru Hikawa, known for 'Pani Poni.'
The snappy banter, weaving in gags and a battle flavor, is a charm.
Watch the lively comedy the distinctive characters unfold 📚
05⑤ Double Lead: Jun Fukuyama × Akira Sekine
A double lead — the former demon king Ryusei voiced by Jun Fukuyama and the former hero Mitia by Akira Sekine.
The cast also features stars like Rie Takahashi, Yoko Hikasa, and Sora Tokui.
Watch the lineup that delivers the sworn enemies' banter with sure performances 🎤
06⑥ LIDENFILMS' Animation
Produced by LIDENFILMS, which handles many popular works.
The animation depicting lively gags and the occasional battle-flavored action is a charm.
Look forward to visual expression that colors the snappy school romcom 🎬
07⑦ For Fans of Reincarnation and School Romcoms
Irresistible for fans of reincarnation × romcom and snappy gag anime.
You can savor both the clever premise of former demon king × former hero and the lively school comedy at once.
A fresh reincarnation romcom you can laugh and enjoy 👊
08⑧ 📺 Broadcast & Streaming Info
Premiere: July 11, 2026 (Sat)~
Channels: TV Asahi "ANiMAZiNG!!!" block, BS Nittele, AT-X and others
Studio: LIDENFILMS
Check the official site for the latest info 📱
💡 注目ポイント・展開予想 軽めネタバレ
The story is expected to center on the former demon king Ryusei and former hero Mitia, reincarnated into the modern age, reuniting as teacher and student and sending a lively school life.
The exchanges of Mitia, who still wants to settle the score even after reincarnating, and Ryusei, who wants to live peacefully, produce gags and romcom.
What love the relationship of two former sworn enemies rolls into from fighting is the biggest point to watch.
🧾 これまでのあらすじ ネタバレあり
This is a new anime starting in summer 2026.
The jobless NEET Ryusei Narukami spends his days shut in playing games, but in another world he was a demon king. There, Mitia Hanaori — the hero who once defeated Ryusei, now a high school girl — comes barging in.
After reuniting with Mitia, Ryusei returns to society from being a NEET as a teacher at Mitsurugi Girls' High School. But it's the very school Mitia attends — reincarnated into a peaceful world, the fighting & romcom of the reunited former demon king and former hero begins.
✅ 観る・注目するおすすめポイント
Wholeheartedly recommended for fans of reincarnation × romcom and snappy gag anime.
Especially resonates with those who want the clever premise of former demon king × former hero and a lively school comedy.
A fresh reincarnation romcom you can laugh and enjoy.
👀 トリビア・驚きの小ネタ集
・Hekiru Hikawa is a popular manga artist known for 'Pani Poni' ('Pani Poni Dash!').
・The premise crossing isekai with romcom — "the reincarnation of a former demon king × former hero" — is a charm.
・The leads are an acclaimed double lead, Jun Fukuyama and Akira Sekine.
💫 未回収の伏線 ネタバレあり
Points to watch in the work:
● How do the former demon king Ryusei and former hero Mitia settle the score in the modern age?
● What love does the teacher-and-student relationship develop into?
● How is the two's past in another world (the demon king and hero's deadly battle) depicted?
● Where does Mitia's "want to fight" feeling head?
● Do the characters around the two notice the secret of their reincarnation?
● Watch the fate of a lively reincarnation romcom of former demon king × former hero.
💌 次シーズンで絶対バズる名セリフ予想
● "Even reincarnated, I'll settle the score with you."
—Mitia's declaration of war, seeking a fight.
● "I quit being a demon king. Let me live in peace."
—Ryusei's true feelings, wanting to avoid trouble.
The snappy banter of sworn enemies keeps producing funny lines.
Once it airs, lively lines should color the romcom 👊