Hoshizora no memoria, if you can deal with Chinami
WInd- A breath of heart, one route with a semi annoying sister
Yosuga no sora
Boob wars 2, one sister route
aaaand thats all i can think of off the top of my head
3D girls also get very angry with you if you don't call them EVERY DAY even though you have a job and are tired! Leave me alone woman unless you want to blow me. Got dumped for saying that last year XD, now extremely single :/
Probably a short trend like everyone else said, never seen anything like that here. Don't see why guys do it, I don't do it myself. But then again my dads an old military man and would probably disown me and call me a queer