The scene takes place while the girls involved are taking a shower or bath.
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Timestamp: 05:10
Rating: 3
During a montage at the end, Kuran and Reika are briefly shown having lesbian sex again.
This scene is just the still image I have here, there’s no actual animation or voice acting for this.
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Episode Link
Timestamp: 00:34
Rating: 5
The girls spy on Reika and Kuran having lesbian sex while taking a bath together.
At the end of the episode, it’s revealed that it was just a 3D movie projecting them, but they would’ve had to recorded themselves doing this, so the scene did happen.