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The line Anonymous
What's your opinion on the borderline of breast size (in before "bustline" joke) that seperates /e/ from /d/?
>> Anonymous
When it stops being funny or sexy. :)

Tough call really. I'd say around Eiken level, but eiken art flies in /e/.
>> Anonymous
Personally, I think the most for /e/ is when the girl can hold her arms out and cradle her breasts by bending her elbows (XP-tan in the OP pic is KINDA doing it with her left arm, the arm on the right side of the image).
>> Anonymous
>>378283
Kinda like this, but imagine her hand resting on her nipple.

http://orz.4chan.org/e/res/378046.html
>> Anonymous
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>> Anonymous
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Anything up to the attached is fine. After that, you're going to /d/.
>> Anonymous
>>378404
Is that larger than OP?
>> sage Anonymous
EIKEN IS THE LIMIT! PAY ATTENTION! SAGE!
>> Anonymous
>>378438
Then perhaps we'd need better examples, seeing as Eiken it pretty fugly.