S1 E1 • My Friend's Little Sister Has It in for Me

Akiteru just wants to work toward his future, but his friend's little sister won't allow him any peace. Source: Crunchyroll

Première diffusion : 5 octobre 2025

S1 E2 • The Cousin I Haven't Seen in Years Is Cold to Me

Now that Mashiro has moved to his school, can Akiteru manage to make her open up to him? Source: Crunchyroll

Première diffusion : 12 octobre 2025

S1 E3 • Only I Can Be a Pain to My Uncle's Daughter

Akiteru decides to throw a welcome party for Mashiro, but first he must convince her to attend. Source: Crunchyroll

Première diffusion : 19 octobre 2025

S1 E4 • My Friend's Little Sister Might Be a Delinquent

Akiteru and Iroha recall how they first met. Source: Crunchyroll

Première diffusion : 26 octobre 2025

S1 E5 • My Friend's Little Sister Keeps Getting Close to Me

A look back at how Iroha came to be the voice actress for 05th Floor Alliance. Source: Crunchyroll

Première diffusion : 2 novembre 2025

S1 E6 • My Friend's Little Sister Has It in for My Friend's Enemy

While at the mall with Mashiro and Iroha, Akiteru learns why Mashiro left her old school. Source: Crunchyroll

Première diffusion : 9 novembre 2025

S1 E7 • The Girl Who Confessed to Me Is Cold to Me in Reality

Akiteru tries to give a proper reply to Mashiro's love confession, but she's brutally cold to him in person. Source: Crunchyroll

Première diffusion : 16 novembre 2025

S1 E8 • Everyone I Know Is Being Weird with Me

Sumire asks Akiteru for help with a problem that could endanger her future with 05th Floor Alliance. Source: Crunchyroll

Première diffusion : 23 novembre 2025

S1 E9 • My Fake Girlfriend Gets Tough When I Respond to Her Confession

Première diffusion : 30 novembre 2025

S1 E10 • My Friend's Little Sister Only Gets an Apology from Me

Première diffusion : 7 décembre 2025

S1 E11 • Episode 11

Première diffusion : 14 décembre 2025

S1 E12 • Episode 12

Première diffusion : 21 décembre 2025