GROOVE TUBE
read GROOVE TUBE
read comics GROOVE TUBE complete and new English in Joei's Hentai. which you can read online for free.
Storyline
Megu and Yuzuru Natsu are orphans. Yuzuru wants to take the place of his parents as a guardian and protect his sister until she becomes the finest adult she can be... Unfortunately for him Megu has WAY more perverted dreams than those.