>>50168929The didn't become lazy, but normal. Animators don't give a shit about feet. Back in the day they didn't even bother drawing toes at all, then they started drawing 2 or 3 toes. Now it's better but don't expect toenails and other details unless it's a close-up shot of the foot. You would only see toenails and pretty looking feet if the director has a foot fetish. Yajima was probably jerking off to Serena's bare feet.