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Series of shorts that will tell stories of "three sisters raised in your (one) room."
You and your junior Kotokawa Akira spend your days together at your school’s Gardening Club. Akira is always smiling as you both tease each other, but as soon as summer vacation starts, she seems a bit sad. Your unforgettable summer with Akira in the Gardening Club is about to begin.
The Gardening Club prepares for an incoming typhoon. Despite not having school that day, you and Akira both decide to come to school, and end up having to spend time in the club room until the typhoon passes. As the storm gets stronger, you and Akira get closer.
After the typhoon passed, you and Akira were about to get closer, but you pull back. Then Akira tells you something she’s been holding back this whole time. And because of that, even though you were looking forward to the next day, it suddenly turns awkward.
The end of summer vacation. In the fading club room where you personal belonging are gone, you touch the gardening notebook that Akira has forgotten and the feelings spelled out in it. Remembering everything, you take a step that you couldn't take that day to a lonely junior who is about to leave alone.
You head home to the country for the first time in a while and your younger sister Natsuki greets you with open arms. She praises you for how hard you've been working and living alone in Tokyo, but she tells you that she's also wondering if she should go to Tokyo for high school. On a cool, summer night, Natsuki tells you her dreams.
The two of you had decided to keep the public bath going, but Minori seems troubled at how difficult this venture ends up being. One wintery day, Minori seems to be acting a bit different and wants to tell you something.
Saya very suddenly becomes your tutor and you end up feeling very comfortable around her because she's so nice and positive. Saya also seems very happy that she's able to help someone out.
Saya continues to be your tutor and look over your mock exams. She seems very confident that you're going to be able to pass your college entrance exams.
You've finished your exam so you and Saya go out to celebrate. You both seem excited that this might actually be a date and then Saya tells you a secret while you're riding the Ferris wheel.
You have failed your exam and you don't have the heart to face Saya. Surprisingly, Saya also had a secret. Because you're both so awkward, you feel comfortable when you're together. You and Saya decide to ride the Ferris wheel one more time, so you can officially give your relationship a name.
You and Yui are neighbors but also lovers. Even though you're now both working, your relationship hasn't really changed and you're both living happy lives. One day, you both are celebrating your anniversary and a certain game leads you both to a huge turning point in your lives.
You and Yui prepare to move. Wherever you look, this apartment is filled with memories for the both of you. Everything around you is changing, but Yui stays by your side. So that you can live the same life at the same speed together.
