Season 1
12 listed episodes · First aired October 4, 2025
Episodes
Akiteru just wants to work toward his future, but his friend's little sister won't allow him any peace.
E2The Cousin I Haven't Seen in Years Is Cold to MeNow that Mashiro has moved to his school, can Akiteru manage to make her open up to him?
E3Only I Can Be a Pain to My Uncle’s DaughterAkiteru decides to throw a welcome party for Mashiro, but first he must convince her to attend.
E4My Friend's Little Sister Might Be a DelinquentAkiteru and Iroha recall how they first met.
E5My Friend's Little Sister Keeps Getting Close to MeA look back at how Iroha came to be the voice actress for 05th Floor Alliance.
E6My Friend's Little Sister Has It In for My Friend's EnemyWhile at the mall with Mashiro and Iroha, Akiteru learns why Mashiro left her old school.
E7The Girl Who Confessed to Me Is Cold to Me in RealityAkiteru tries to give a proper reply to Mashiro's love confession, but she's brutally cold to him in person.
E8Everyone I Know Is Being Weird With MeSumire asks Akiteru for help with a problem that could endanger her future with 05th Floor Alliance.
E9My Fake Girlfriend Gets Tough When I Respond To Her ConfessionAkiteru and Iroha head to Otoi's studio to record for the game, but Iroha has ideas of her own.
E10My Friend's Little Sister Only Gets an Apology from MeAkiteru must clear the air with Iroha to keep 05th Floor Alliance running smoothly.
E11We're Perfect for Training the Drama ClubWith 05th Floor Alliance's help, the drama club is ready for the big competition... but then disaster strikes.
E12My Friend's Little Sister Really Does Have It In for MeCan Akiteru save the drama club and secure 05th Floor Alliance's future?