Super Lovers

From September scanlations:
17-year-old Kaidou Haru isn’t too happy to be spending his summer vacation in the wilds of Canada with his eccentric, estranged mother, but when she saddles him with civilizing his new adopted brother, 8-year-old wild child Ren, he takes up the mantle with aplomb, gradually learning to navigate the boy’s unruly demeanor and fostering a close bond that prompts him to invite Ren to come live with him in Japan once he graduates, hoping Ren can experience what it’s like to have a real family. But falls from such heights of happiness usually give way to the deepest depths of despair…