What's the purpose of spanking scenes in anime?

Discipline

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Is there an explanation for her hair?

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>>156451890
>Not drop her pantsu
You are doing it wrong.

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>>156452141
Beat me to it.

>>156451890
Fanservice

>>156452141
Can't drop her pantsu if she ain't wearing any.

>>156452419
That, and maybe to throw a bone at spanking/S&M fetishists.

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>>156452341
>Not explore her caves (all 4)
You are doing it wrong!

>>156451890
Pandering to me.

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>>156452025
She wanted to look popular. Then her friends "fixed" her hair.

>>156451890
Where's her pantsu?

>>156452601
Yozora really look a thousand times better with short hair.

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>>156453368
No.