Those 3 girls are often the center of attention when it comes to moe factor in Needless. Needless isn't a shonen series in the first place. The author can go "no holds barred" if he wants.
Speaking of H, this is the one image that definitely speaks up for itself.
Here is a link to the manga gallery art
http://tieba.baidu.com/needless/tupi...f024f5680.html