Season 1 – My Friend's Little Sister Has It in for Me!

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Season 1 – My Friend's Little Sister Has It in for Me!

Oct 2025

Comedy

Drama

Romance

Anime

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Fewer than 50 Ratings

For high schooler Akiteru Oboshi, the whole youthful experience thing is a complete waste of time; when his best friend's sister, Iroha Kohinata, keeps teasing him, Akiteru naturally finds it annoying.

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Haruki Ishiya

Akiteru Oboshi

Sayumi Suzushiro

Iroha Kohinata

Tomori Kusunoki

Mashiro Tsukinomori

Soma Saito

Ozuma Kohinata

Kana Hanazawa

Sumire Kageishi

Kazuomi Koga

Director

Episode 1

Aired Oct 5, 2025

My Friend's Little Sister Has It In for Me

Akiteru just wants to work toward his future, but his friend's little sister won't allow him any peace.

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Episode 2

Aired Oct 12, 2025

The Cousin I Haven't Seen in Years Is Cold to Me

Now that Mashiro has moved to his school, can Akiteru manage to make her open up to him?

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Episode 3

Aired Oct 19, 2025

Only I Can Be A Pain To My Uncle's Daughter

Akiteru decides to throw a welcome party for Mashiro, but first he must convince her to attend.

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Episode 4

Aired Oct 26, 2025

My Friend's Little Sister Might Be a Delinquent

Akiteru and Iroha recall how they first met.

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Episode 5

Aired Nov 2, 2025

My Friend's Little Sister Keeps Getting Close to Me

A look back at how Iroha came to be the voice actress for 05th Floor Alliance.

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Episode 6

Aired Nov 9, 2025

My Friend's Little Sister Has It in for My Friend's Enemy

For high schooler Akiteru Oboshi, the whole youthful experience thing is a complete waste of time; when his best friend's sister, Iroha Kohinata, keeps teasing him, Akiteru naturally finds it annoying.

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Episode 7

Aired Nov 16, 2025

The Girl Who Confessed to Me Is Cold to Me in Reality

For high schooler Akiteru Oboshi, the whole youthful experience thing is a complete waste of time; when his best friend's sister, Iroha Kohinata, keeps teasing him, Akiteru naturally finds it annoying.

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Episode 8

Aired Nov 23, 2025

Everyone I Know Is Being Weird with Me

For high schooler Akiteru Oboshi, the whole youthful experience thing is a complete waste of time; when his best friend's sister, Iroha Kohinata, keeps teasing him, Akiteru naturally finds it annoying.

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Episode 9

Aired Nov 30, 2025

My Fake Girlfriend Gets Tough When I Respond to Her Confession

For high schooler Akiteru Oboshi, the whole youthful experience thing is a complete waste of time; when his best friend's sister, Iroha Kohinata, keeps teasing him, Akiteru naturally finds it annoying.

Details

Episode 10

Aired Dec 7, 2025

My Friend's Little Sister Only Gets an Apology From Me

For high schooler Akiteru Oboshi, the whole youthful experience thing is a complete waste of time; when his best friend's sister, Iroha Kohinata, keeps teasing him, Akiteru naturally finds it annoying.

Details

Episode 11

Aired Dec 14, 2025

We're Perfect for Training the Drama Club

For high schooler Akiteru Oboshi, the whole youthful experience thing is a complete waste of time; when his best friend's sister, Iroha Kohinata, keeps teasing him, Akiteru naturally finds it annoying.

Details

Episode 12

Aired Dec 21, 2025

My Friend's Little Sister Really Does Have It in for Me

For high schooler Akiteru Oboshi, the whole youthful experience thing is a complete waste of time; when his best friend's sister, Iroha Kohinata, keeps teasing him, Akiteru naturally finds it annoying.

Details

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Director: Kazuomi Koga
Screenwriter: Touko Machida
Network: TVASJP
Genre: Comedy, Drama, Romance, Anime
Original Language: Japanese
Release Date: Oct 5, 2025