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

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

20251 Season12 Episodes
AnimationComedy

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

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?!

Network / Platform
HTB
Status
Ended
First Aired
04/Oct/2025
Language
Japanese
Schedule
Saturday · 01:30

Latest Episodes

View All
S1 E12My Friend's Little Sister Really Does Have It In for Me20/Dec/2025 • 24m
S1 E11We're Perfect for Training the Drama Club13/Dec/2025 • 24m
S1 E10My Friend's Little Sister Only Gets an Apology from Me06/Dec/2025 • 24m
S1 E9My Fake Girlfriend Gets Tough When I Respond To Her Confession29/Nov/2025 • 24m
Next Air TimeNot announced

Air-time details have not been announced.

TimeScore33%Skip It
Binge Meter48%Slow Burn
Episode PulseQuiet40% activity
Drop Rate0%Very Low
Progress and ratings use your EpisodeTime account
Season 10 / 12 watched
S1 E1My Friend's Little Sister Has It In for Me04/Oct/2025 • 24m
Not rated
S1 E2The Cousin I Haven't Seen in Years Is Cold to Me11/Oct/2025 • 24m
Not rated
S1 E3Only I Can Be a Pain to My Uncle’s Daughter18/Oct/2025 • 24m
Not rated
S1 E4My Friend's Little Sister Might Be a Delinquent25/Oct/2025 • 24m
Not rated
S1 E5My Friend's Little Sister Keeps Getting Close to Me01/Nov/2025 • 24m
Not rated
S1 E6My Friend's Little Sister Has It In for My Friend's Enemy08/Nov/2025 • 24m
Not rated
S1 E7The Girl Who Confessed to Me Is Cold to Me in Reality15/Nov/2025 • 24m
Not rated
S1 E8Everyone I Know Is Being Weird With Me22/Nov/2025 • 24m
Not rated
S1 E9My Fake Girlfriend Gets Tough When I Respond To Her Confession29/Nov/2025 • 24m
Not rated
S1 E10My Friend's Little Sister Only Gets an Apology from Me06/Dec/2025 • 24m
Not rated
S1 E11We're Perfect for Training the Drama Club13/Dec/2025 • 24m
Not rated
S1 E12My Friend's Little Sister Really Does Have It In for Me20/Dec/2025 • 24m
Not rated

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Ratings & Reviews

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Production Details & External Links

Database information and official source references.

Original title
友達の妹が俺にだけウザい
Format
Scripted
Country
Japan
Original language
Japanese
Network / Platform
HTB · Japan
First aired
04/Oct/2025
Last aired
20/Dec/2025
Seasons
1
Episodes
12
Runtime
23 min
Official schedule
Saturday · 01:30
Official timezone
Asia/Tokyo
Official website
Visit official site
External IDs
TMDb TVMaze IMDb
Full cast and crew

Cast

5 credits
Haruki Ishiya Haruki Ishiya Akiteru Oboshi (voice) Sayumi Suzushiro Sayumi Suzushiro Iroha Kohinata (voice) Tomori Kusunoki Tomori Kusunoki Mashiro Tsukinomori (voice) Soma Saito Soma Saito Ozuma Kohinata (voice) Kana Hanazawa Kana Hanazawa Sumire Kageishi (voice)

Crew

7 credits
Erina Ishihara Art Designer Hisae Arimoto Art Direction Kazuomi Koga Series Director, Storyboard Artist Katsuyuki Satou Character Designer Tomari Character Designer Ghost Mikawa Original Story Touko Machida Touko Machida Writer
Contributors and edit history

0 published changes. View edit history

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