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

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Season 1

6.4/10135 votes
My Friend's Little Sister Has It In for Me
Season 1 Episode 1 - Aired 10/4/2025
Akiteru just wants to work toward his future, but his friend's little sister won't allow him any peace.
Director: Kazuomi Koga
Writer: Touko Machida
7.6/10104 votes
The Cousin I Haven't Seen in Years Is Cold to Me
Season 1 Episode 2 - Aired 10/11/2025
Now that Mashiro has moved to his school, can Akiteru manage to make her open up to him?
Director: Unknown
Writer: Unknown
8.0/1099 votes
Only I Can Be a Pain to My Uncle’s Daughter
Season 1 Episode 3 - Aired 10/18/2025
Akiteru decides to throw a welcome party for Mashiro, but first he must convince her to attend.
Director: Unknown
Writer: Unknown
7.5/1085 votes
My Friend's Little Sister Might Be a Delinquent
Season 1 Episode 4 - Aired 10/25/2025
Akiteru and Iroha recall how they first met.
Director: Unknown
Writer: Unknown
8.0/1080 votes
My Friend's Little Sister Keeps Getting Close to Me
Season 1 Episode 5 - Aired 11/1/2025
A look back at how Iroha came to be the voice actress for 05th Floor Alliance.
Director: Unknown
Writer: Unknown
8.4/1080 votes
My Friend's Little Sister Has It In for My Friend's Enemy
Season 1 Episode 6 - Aired 11/8/2025
While at the mall with Mashiro and Iroha, Akiteru learns why Mashiro left her old school.
Director: Unknown
Writer: Unknown
8.0/1066 votes
The Girl Who Confessed to Me Is Cold to Me in Reality
Season 1 Episode 7 - Aired 11/15/2025
Akiteru tries to give a proper reply to Mashiro's love confession, but she's brutally cold to him in person.
Director: Unknown
Writer: Unknown
7.7/1065 votes
Everyone I Know Is Being Weird With Me
Season 1 Episode 8 - Aired 11/22/2025
Sumire asks Akiteru for help with a problem that could endanger her future with 05th Floor Alliance.
Director: Unknown
Writer: Unknown
8.3/1067 votes
My Fake Girlfriend Gets Tough When I Respond To Her Confession
Season 1 Episode 9 - Aired 11/29/2025
Akiteru and Iroha head to Otoi's studio to record for the game, but Iroha has ideas of her own.
Director: Unknown
Writer: Unknown
7.5/1057 votes
My Friend's Little Sister Only Gets an Apology from Me
Season 1 Episode 10 - Aired 12/6/2025
Akiteru must clear the air with Iroha to keep 05th Floor Alliance running smoothly.
Director: Unknown
Writer: Unknown
7.7/1054 votes
We're Perfect for Training the Drama Club
Season 1 Episode 11 - Aired 12/13/2025
With 05th Floor Alliance's help, the drama club is ready for the big competition... but then disaster strikes.
Director: Unknown
Writer: Unknown
8.1/1056 votes
My Friend's Little Sister Really Does Have It In for Me
Season 1 Episode 12 - Aired 12/20/2025
Can Akiteru save the drama club and secure 05th Floor Alliance's future?
Director: Unknown
Writer: Unknown