Watch 'My Friend's Little Sister Has It In for Me!' Season 1 Online
Season 1 Episodes
1. My Friend's Little Sister Has It In for Me
October 4th, 202524 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
October 11th, 202524 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 18th, 2025
Akiteru decides to throw a welcome party for Mashiro, but first he must convince her to attend.
4. Episode 4
October 25th, 2025
5. Episode 5
November 1st, 2025
6. Episode 6
November 8th, 2025
7. Episode 7
November 15th, 2025
8. Episode 8
November 22nd, 2025
9. Episode 9
November 29th, 2025
10. Episode 10
December 6th, 2025
11. Episode 11
December 13th, 2025
12. Episode 12
December 20th, 2025
