Naughty Haha and Strong Classmate 3.

http://www.poringa.net/posts/hentai/3598968/Bijin-na-Haha-to-Tsuyoki-na-Classmate-1.html
http://www.poringa.net/posts/hentai/3599014/Bijin-na-Haha-to-Tsuyoki-na-Classmate-2.html