

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?!
![Official Trailer [Subtitled]](https://img.youtube.com/vi/pYLZTwXCZyo/hqdefault.jpg)

Oct 4, 2025 - 24m
Akiteru just wants to work toward his future, but his friend's little sister won't allow him any peace.

Oct 11, 2025 - 24m
Now that Mashiro has moved to his school, can Akiteru manage to make her open up to him?

Oct 18, 2025 - 24m
Akiteru decides to throw a welcome party for Mashiro, but first he must convince her to attend.

Oct 25, 2025 - 24m
Akiteru and Iroha recall how they first met.

Nov 1, 2025 - 24m
A look back at how Iroha came to be the voice actress for 05th Floor Alliance.

Nov 8, 2025 - 24m
While at the mall with Mashiro and Iroha, Akiteru learns why Mashiro left her old school.

Nov 15, 2025 - 24m
Akiteru tries to give a proper reply to Mashiro's love confession, but she's brutally cold to him in person.

Nov 22, 2025 - 24m
Sumire asks Akiteru for help with a problem that could endanger her future with 05th Floor Alliance.

Nov 29, 2025 - 24m
Akiteru and Iroha head to Otoi's studio to record for the game, but Iroha has ideas of her own.

Dec 6, 2025 - 24m
Akiteru must clear the air with Iroha to keep 05th Floor Alliance running smoothly.

Dec 13, 2025 - 24m
With 05th Floor Alliance's help, the drama club is ready for the big competition... but then disaster strikes.

Dec 20, 2025 - 24m
Can Akiteru save the drama club and secure 05th Floor Alliance's future?