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My Friend's Little Sister Has It In for Me! ★ 7.3(19) 2025 1 Season Ended
Animation Comedy
For high schooler Akiteru Oboshi, the whole youthful experience thing—like fun, friendships, and even having a girlfriend—is a complete waste of time. So when his best friend’s sister, Iroha Kohinata, keeps teasing him, Akiteru naturally finds it annoying. She practically lives in his room, she’s always on his bed, she’s just a raging storm of clinginess! Why is she only annoying around him?!
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Season 1 — 12 Episodes E1 · 24m
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.
E2 · 24m
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?
E3 · 24m
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.
E4 · 24m
My Friend's Little Sister Might Be a Delinquent
Akiteru and Iroha recall how they first met.
E5 · 24m
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.
E6 · 24m
My Friend's Little Sister Has It In for My Friend's Enemy
While at the mall with Mashiro and Iroha, Akiteru learns why Mashiro left her old school.
E7 · 24m
The Girl Who Confessed to Me Is Cold to Me in Reality
Akiteru tries to give a proper reply to Mashiro's love confession, but she's brutally cold to him in person.
E8 · 24m
Everyone I Know Is Being Weird With Me
Sumire asks Akiteru for help with a problem that could endanger her future with 05th Floor Alliance.
E9 · 24m
My Fake Girlfriend Gets Tough When I Respond To Her Confession
Akiteru and Iroha head to Otoi's studio to record for the game, but Iroha has ideas of her own.
E10 · 24m
My Friend's Little Sister Only Gets an Apology from Me
Akiteru must clear the air with Iroha to keep 05th Floor Alliance running smoothly.
E11 · 24m
We're Perfect for Training the Drama Club
With 05th Floor Alliance's help, the drama club is ready for the big competition... but then disaster strikes.
E12 · 24m
My Friend's Little Sister Really Does Have It In for Me
Can Akiteru save the drama club and secure 05th Floor Alliance's future?
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