Very nice art in this one.
Ikebukuro Hatsu, Zensekai Yuki! (11 chapters, ongoing)
Pics were taken from Renzokusei Scans.
For those wondering, this manga is penned by Shiki Kamizuki, who also did the Nejimage Factor manga that was released in tankobon form last week. He’s done a decent amount of ecchi and hentai the last three years. Very talented.