No it’s not VN related. This is Tomoka from Ro-Kyu-Bu drawn by the original artist Tinkle.
from this tweet: [twitter.com/dancu/status/366649653342650370/photo/1]
she’s a god.
The VN looks utterly crap. Not touching that.
I think I remember reading the author of the LN discontinued the series abruptly because of fear of the new child-porno laws, and this was part of “self-censorship”.