archytele The Vault
Season guide

Days with My Stepsister: Season 1

12 episodes Premiered Jul 4, 2024 Updated Sep 26, 2026
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Season 1 Episodes

Episode Guide

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Season 1 Progress Shield

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Binge Efficiency Engine

Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

25%
75%
Mytharc (3): Crucial lore & season climaxes
Core (9): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

I'm Home with a Stranger

Jul 4, 2024 · 24 min

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

S1·E2 Core

A Deal and a Fried Egg

Jul 11, 2024 · 24 min

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 clea

S1·E3 Core

Reflection and Revision

Jul 18, 2024 · 24 min

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 realize

S1·E4 Core

Tendencies and Strategies

Jul 25, 2024 · 24 min

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.

S1·E5 Core

A Late Show and the Real Deal

Aug 1, 2024 · 24 min

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 firs

S1·E6 Core

Sweet & Sour Pork and Rain

Aug 8, 2024 · 24 min

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 r

S1·E7 Core

Feelings and Summer Vacation

Aug 15, 2024 · 24 min

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 ab

S1·E8 Core

A Response and Hot Milk

Aug 22, 2024 · 24 min

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 t

S1·E9 Core

Stepsister and Diary

Aug 29, 2024 · 24 min

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. The

S1·E10 Core

Relations and Regrets

Sep 5, 2024 · 24 min

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 wa

S1·E11 Mytharc

Brother and Sister

Sep 12, 2024 · 24 min

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 prest

S1·E12 Mytharc

" and "

Sep 19, 2024 · 24 min

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 stor

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