As of July 2026, Days with My Stepsister Season 1 aired in 2024 with 12 episodes — streaming now on Crunchyroll. Full episode guide and where to watch below.
Days with My Stepsister Season 1 poster
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Days with My Stepsister Season 1

2024 12 Episodes Animation · Drama ⭐ 8/10

Right now you can watch Days with My Stepsister Season 1 on and — and the writing holds up regardless of the format's reputation. A compact run that never overstays its welcome. 55 people have weighed in on TMDB, and the verdict leans heavily positive. A harder one to justify skipping than to start. Available now — press play and find out why people keep recommending it.

Days with My Stepsister Season 1 is not trying to be everything to everyone, and that focus is exactly what makes it work. Visually distinctive and narratively ambitious, Days with My Stepsister Season 1 operates well above the genre average. Season 1 of Days with My Stepsister includes 12 episodes. It aired from July 2024 to September 2024. This season stars Kohei Amasaki, Yuki Nakashima and Minori Suzuki. Kohei Amasaki and Yuki Nakashima lead a cast that brings real weight to the material. It was aired in 2024. Days with My Stepsister Season 1 uses the freedom of animation to tell stories live-action could not attempt. The consistency throughout is what elevates it — not every moment is the best, but none of them are a reason to stop watching.

Genuinely enjoyable for a wide range of viewers, Days with My Stepsister Season 1 treats animation as a delivery mechanism, not a limitation. It does not lean on comparisons to make its case. The complete run is available and best experienced without too much prior knowledge of where it goes. Kohei Amasaki brings more to the role than the format usually demands. A harder one to justify skipping than to start.

📡 Where to Watch Days with My Stepsister Season 1

🇦🇺 Australia
🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
🇳🇿 New Zealand
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🎬 Days with My Stepsister Season 1 — Episode Guide

E1
I'm Home with a Stranger
2024-07-04
High school student Yuta Asamura begins living with his stepsister Saki Ayase and her mother due to his father's remarriage. Both Yuta and Saki, who hold cautious values regarding relationships between men and women, agree to live with an appropriate sense of distance between them.
E2
A Deal and a Fried Egg
2024-07-11
At school, Yuta notices that there are some sensational rumors circulating about Saki due to her striking appearance. When he tries to talk to her about it, it quickly becomes clear that there is much more to the story than the rumors suggest.
E3
Reflection and Revision
2024-07-18
Yuta and Saki take turns making missteps in their new, still somewhat awkward home life together. As they reflect on these mistakes and figure out how to move forward, Saki realizes she's less and less sure how to feel about Yuta.
E4
Tendencies and Strategies
2024-07-25
A month has passed since Yuta and Saki started living together. As Yuta starts to understand the ambiguity of their relationship, Saki asks him for help studying modern literature. The two work together to prepare Saki for a test retake.
E5
A Late Show and the Real Deal
2024-08-01
Shiori invites Yuta to a late showing of a movie adaptation of a book she enjoys. Saki takes an interest and goes to the bookstore the next day, where she meets Shiori for the first time.
E6
Sweet & Sour Pork and Rain
2024-08-08
Saki asks her classmate Narasaka Maaya to come over after school and help her study. Yuta decides to make dinner for a change so Saki can keep studying. Maaya helps Yuta with the recipe and then starts interrogating him about his relationship with Saki.
E7
Feelings and Summer Vacation
2024-08-15
Saki adjusts to her new job over summer vacation. Taichi and Akiko notice that Yuta and Saki keep calling each other by their family names. Saki senses a change in how she feels about Yuta and wonders if she should describe it honestly in her diary.
E8
A Response and Hot Milk
2024-08-22
Yuta starts to get worried about Saki and asks Akiko for advice. Akiko tells him that he should take Saki out for a break now and then, even if he has to insist. Later, when Yuta tries to talk to Saki about the pool trip with Maaya, Saki reacts harshly.
E9
Stepsister and Diary
2024-08-29
Yuta and Saki accept Maaya's invitation to go to the pool with a group of friends. Saki enjoys the time at one of her favorite places and is finally able to let loose a little. Then, on the way home, Saki blurts something out that leaves Yuta speechless. (Subs Flix_)
E10
Relations and Regrets
2024-09-05
A new school term has started, and parent-teacher meetings are on the horizon. At school, Yuta and Saki still have not told anyone that they are siblings. As their mother, Akiko wants to attend both meetings, but she worries it would expose their secret.
E11
Brother and Sister
2024-09-12
When Yuta is killing time in the library, Maaya confronts him and asks if he has feelings for Saki. After the parent-teacher meetings, Saki attends the open campus event at a prestigious women's college and is confronted by a particularly nosy professor.
E12
" and "
2024-09-19
Saki spends time with Maaya and friends while Yuta gets to know Fujinami. In their own separate ways, Saki and Yuta start to understand the feelings connecting them... in this story of a relationship that may one day become love.

🎭 Cast of Days with My Stepsister Season 1

Kohei Amasaki
Kohei Amasaki
Yuta Asamura (voice)
Yuki Nakashima
Yuki Nakashima
Saki Ayase (voice)
Minori Suzuki
Minori Suzuki
Shiori Yomiuri (voice)
Ayu Suzuki
Ayu Suzuki
Narasaka Maaya (voice)
Daiki Hamano
Daiki Hamano
Tomokazu Maru (voice)
Chikahiro Kobayashi
Chikahiro Kobayashi
Taichi Asamura (voice)
Reina Ueda
Reina Ueda
Akiko Ayase (voice)
Atsumi Tanezaki
Atsumi Tanezaki
Kaho Fujinami (voice)
Ryohei Arai
Ryohei Arai
Keisuke Shinjou (voice)
Mie Sonozaki
Mie Sonozaki
Eiha Kudou (voice)

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