Air Date
October 4, 2025
Episodes
12 episodes
My Friend's Little Sister Has It In for Me!
Season 1
Episodes
1. My Friend's Little Sister Has It In for Me
7.0
October 4, 2025
24 min
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
7.0
October 11, 2025
24 min
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
October 18, 2025
24 min
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
October 25, 2025
24 min
Akiteru and Iroha recall how they first met.
5. Episode 5
November 1, 2025
6. Episode 6
November 8, 2025
7. Episode 7
November 15, 2025
8. Episode 8
November 22, 2025
9. Episode 9
November 29, 2025
10. Episode 10
December 6, 2025
11. Episode 11
December 13, 2025
12. Episode 12
December 20, 2025
