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My Friend's Little Sister Has It In for Me!

Season 1 · 12 episodes · Oct 4, 2025

  1. My Friend's Little Sister Has It In for Me! season 1 episode 1 still

    Episode 1

    My Friend's Little Sister Has It In for Me

    Oct 4, 2025

    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

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

    Oct 11, 2025

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

  3. My Friend's Little Sister Has It In for Me! season 1 episode 3 still

    Episode 3

    Only I Can Be a Pain to My Uncle’s Daughter

    Oct 18, 2025

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

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    Episode 4

    My Friend's Little Sister Might Be a Delinquent

    Oct 25, 2025

    Akiteru and Iroha recall how they first met.

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    Episode 5

    My Friend's Little Sister Keeps Getting Close to Me

    Nov 1, 2025

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

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    Episode 6

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

    Nov 8, 2025

    While at the mall with Mashiro and Iroha, Akiteru learns why Mashiro left her old school.

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    Episode 7

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

    Nov 15, 2025

    Akiteru tries to give a proper reply to Mashiro's love confession, but she's brutally cold to him in person.

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    Episode 8

    Everyone I Know Is Being Weird With Me

    Nov 22, 2025

    Sumire asks Akiteru for help with a problem that could endanger her future with 05th Floor Alliance.

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    Episode 9

    My Fake Girlfriend Gets Tough When I Respond To Her Confession

    Nov 29, 2025

    Akiteru and Iroha head to Otoi's studio to record for the game, but Iroha has ideas of her own.

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    Episode 10

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

    Dec 6, 2025

    Akiteru must clear the air with Iroha to keep 05th Floor Alliance running smoothly.

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    Episode 11

    We're Perfect for Training the Drama Club

    Dec 13, 2025

    With 05th Floor Alliance's help, the drama club is ready for the big competition... but then disaster strikes.

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    Episode 12

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

    Dec 20, 2025

    Can Akiteru save the drama club and secure 05th Floor Alliance's future?