Mikoto-chan wa Kirawaretakunai! - Vol. 3 Ch. 40 - I Want to Hold Your Hand, I Want to Show You

[Kosnope]

“Wh-what do I think? I think its awesome how they hang like sandbags in some panels and defy gravity in others!”

They are just shown from different camera angles. Frist is straight from the front, second is from his point of view, meaning he's looking down which is why the perspective on them shifts and they seem longer vertically. Third is from the side, and it correlates with the 1st.

 

[JamesMoriarty]

“Wh-what do I think? I think its awesome how they hang like sandbags in some panels and defy gravity in others!”

I think that's due to the perspective, the first image is how we see it, from a height comparable to her, the second one is from his eye level, which is supported by the third panel. It is a bit exaggerated, but all together, it is quite an ingenious way to panel that scene.

 

[Insignis]

His mom will be disappointed when they come back from that walk, and there will be no juice slowly sliding on the girls thighs.