Board Thread:Off-Topic Discussion/@comment-124.169.13.106-20150922102843/@comment-26851466-20150922223838

It's just KEI's style. He doesn't typically draw guys, and drawing a petite girl with a twin brother who's equally petite was just asking for a thin waist. I mean, looking at his art Len's also got the fantastically thin arms and legs, just like Rin.

It's just how KEI do, I guess.