Kim Sunoo at the age of 10 got adopted by his dead father's friend. but that 10-year-old Sunoo doesn't know that soon he will fall for his stepbrother Lee Heesung. But the main problem is that Heesung is straight as a line. What will happen to Sunoo? What will Heesung do when he finds out about his little brother's crush? . . . . . CREDIT: This story is inspired by one of the fanfictions I had read yt year ago. so if someone finds some similarities, here I am making myself clear. thank you.