Aya realizes the moment she enters the bathtub that it is a mixed bath

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This is Aya Maruyama from BanG Dream!.

↑I thought this picture was too close-up and hard to understand.

I prepared this picture↓.

Mixed bathing facility with a slightly elevated bathtub.

Looking down the front from this bathtub, there is a spectacular view of the mountains below.

I think it must be very embarrassing for a woman to have her anus looked at by a man from below!

Also, I wanted to draw Aya's buttocks anyway!

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