My Friend's Little Sister Has It In for Me!
2025 · 1 season · 12 episodes · 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?!
Seasons
1 season · 12 episodes- 1
My Friend's Little Sister Has It In for Me
4 Oct 2025 24m
Akiteru just wants to work toward his future, but his friend's little sister won't allow him any peace.
- 2
The Cousin I Haven't Seen in Years Is Cold to Me
11 Oct 2025 24m
Now that Mashiro has moved to his school, can Akiteru manage to make her open up to him?
- 3
Only I Can Be a Pain to My Uncle’s Daughter
18 Oct 2025 24m
Akiteru decides to throw a welcome party for Mashiro, but first he must convince her to attend.
- 4
My Friend's Little Sister Might Be a Delinquent
25 Oct 2025 24m
Akiteru and Iroha recall how they first met.
- 5
My Friend's Little Sister Keeps Getting Close to Me
1 Nov 2025 24m
A look back at how Iroha came to be the voice actress for 05th Floor Alliance.
- 6
My Friend's Little Sister Has It In for My Friend's Enemy
8 Nov 2025 24m
While at the mall with Mashiro and Iroha, Akiteru learns why Mashiro left her old school.
- 7
The Girl Who Confessed to Me Is Cold to Me in Reality
15 Nov 2025 24m
Akiteru tries to give a proper reply to Mashiro's love confession, but she's brutally cold to him in person.
- 8
Everyone I Know Is Being Weird With Me
22 Nov 2025 24m
Sumire asks Akiteru for help with a problem that could endanger her future with 05th Floor Alliance.
- 9
My Fake Girlfriend Gets Tough When I Respond To Her Confession
29 Nov 2025 24m
Akiteru and Iroha head to Otoi's studio to record for the game, but Iroha has ideas of her own.
- 10
My Friend's Little Sister Only Gets an Apology from Me
6 Dec 2025 24m
Akiteru must clear the air with Iroha to keep 05th Floor Alliance running smoothly.
- 11
We're Perfect for Training the Drama Club
13 Dec 2025 24m
With 05th Floor Alliance's help, the drama club is ready for the big competition... but then disaster strikes.
- 12
My Friend's Little Sister Really Does Have It In for Me
20 Dec 2025 24m
Can Akiteru save the drama club and secure 05th Floor Alliance's future?
Cast
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