spanking face from hsp

i found a nice spanking face on twitter.

http://ryu4spanking.tumblr.com/post/135613872849/hsp好奇心のお仕置きシーン-関連

It might be from Hsp titled "Out_Of_Curiosity" released in 2008.

If you could read Japanese,this blog post might be useful.

http://handsp.blog60.fc2.com/blog-entry-235.html

and on archive.org,we can read an official description on this movie,

Fuka finds herself turned on while watching a spanking video out of curiosity. Eventually she becomes so excite that she begins to spank herself. When her mom comes home,Fuka is caught and spanked soundly over her mother's knee.

cf. https://web.archive.org/web/20080615153511/http://www.hand-spanking.com/main.html