High schooler **Ito Narita**, who moves due to her mother's remarriage, looked forward to a new life of three with her new father.
But what awaited at the new home was her father and — **four younger brothers**. The brusque but family-loving eldest Gen, the breezy second Raku, the shut-in third Shu, and the spoiled youngest Rui — the cooking-savvy "rookie eldest sister" Ito sends lively days with the distinctive brothers in this sweet home romcom.
Produced by Lay-duce, OP "Aikotoba" by DISH//. Premieres July 3, 2026 👦
📝 魅力・見どころ・特徴 ネタバレ控えめ
01① A Home Comedy of Suddenly Becoming Sister to Four Brothers
The greatest charm is the lively family comedy of Ito, who **suddenly becomes sister to four brothers** through her mother's remarriage.
While tossed around by the distinctive brothers, the reliable Ito holds the family together.
You're healed by the warm, funny daily life under one roof 👦
02② Four Distinctive Brothers
The lead-level characters are the **four distinctive brothers** who became Ito's siblings.
The brusque but family-loving eldest Gen, the breezy second Raku, the shut-in third Shu, and the spoiled youngest Rui — each personality colors the story.
The banter of the idiosyncratic brothers and Ito is the work's fun 😆
03③ The Reliable "Rookie Eldest Sister" Ito
The heroine Ito is a **reliable high schooler** good at all housework and earnest about everything.
Her struggling for her brothers as a suddenly-minted "rookie eldest sister" is adorable.
You can't help but root for Ito, working hard for her family ✨
04④ Family Bonds and Blossoming Feelings
This is a romcom that also weaves in **blossoming feelings** as they grow close as a family.
Within the relationship of step-siblings, the gradually deepening bonds and feelings are depicted.
Savoring both family comedy and romcom is the charm 💕
05⑤ Lay-duce's Animation
Produced by Lay-duce, which handles many popular works.
The animation that cutely depicts the distinctive brothers and warm family daily life is a charm.
Look forward to careful visual expression that colors the home romcom 🎬
06⑥ Themes by DISH// & Reira Ushio
The opening theme is "Aikotoba" by DISH//.
The ending theme is "Clover" by Reira Ushio.
Watch for fresh songs perfect for a warm home comedy 🎵
07⑦ For Fans of Family and Romcom
Irresistible for fans of warm family stories and step-sibling romcoms.
You can savor both lively family comedy and bittersweet feelings at once.
A sweet home romcom that makes you laugh and heals you 👦
08⑧ 📺 Broadcast & Streaming Info
Premiere: July 3, 2026 (Fri) 24:00~
Channels: TOKYO MX, BS11, ABC TV and others
Studio: Lay-duce
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 Ito, who suddenly becomes sister to four brothers through her mother's remarriage, deepening family bonds while sending lively days with the distinctive brothers.
Her relationships with each brother are depicted — the distance with the brusque eldest Gen, the connection with the shut-in third Shu, and more.
What love the feelings blossoming while growing close as a family develop into 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.
During the spring break ending her first year of high school, high schooler Ito Narita, who moves due to her mother's remarriage, looked forward to a new life of three with her new father.
But what awaited at the new home was her father and — four younger brothers. The brusque but family-loving eldest Gen, the breezy second Raku, the shut-in third Shu, and the spoiled youngest Rui. The cooking-savvy "rookie eldest sister" Ito suddenly becomes sister to four brothers through her mother's remarriage and sends lively days with the distinctive brothers.
✅ 観る・注目するおすすめポイント
Wholeheartedly recommended for fans of warm family stories and step-sibling romcoms.
Especially resonates with those who want both lively family comedy and bittersweet feelings at once.
A sweet home romcom that makes you laugh and heals you.
👀 トリビア・驚きの小ネタ集
・A popular home romcom from 'Betsuma.'
・Note a same-titled live-action film exists (released 2024), but this TV anime differs in production and music.
・The OP is by DISH// and the ED by Reira Ushio.
💫 未回収の伏線 ネタバレあり
Points to watch in the work:
● How does the relationship between the brusque eldest Gen and Ito change?
● Can the shut-in third Shu change through his relationship with Ito?
● What feelings blossom between Ito and the brothers as they grow close as a family?
● Do the brothers each have circumstances or pasts?
● What love does the step-sibling relationship develop into?
● Watch the bittersweet fate of a warm family romcom.
💌 次シーズンで絶対バズる名セリフ予想
● "Sorry about my brothers."
—The titular line, reflecting Ito's troubles.
● "Let's become a family. Slowly, from now on."
—Ito's kindness, accepting her new family.
Ito's words, deepening family bonds while tossed around by the distinctive brothers, warm viewers' hearts.
Once it airs, warm lines should color the family story 👦