20-year-old Nao has two older step-brothers, Kazu and Hiro, from his mom’s second marriage ten years ago. They all live separately now, but one day Nao turns up on Hiro’s doorstep. Hiro’s the second oldest brother and six years older than Nao, and although he allows Nao to stay, he’s awkward and won’t look Nao in the eye. Nao is upset that he didn’t receive a warm welcome, but his brother has his own problems. You can’t judge a book by its cover, and it turns out Hiro’s actually in love with Nao, so is reluctant to act like his brother! Hiro does his best to hold himself back, but he gets close to breaking point as Nao innocently approaches him out of the bath and in bed…! Is a handsome brother with an attitude and his vulnerable, puppy-eyed little brother living together more trouble than it’s worth!? This is a story of brothers in love living under one roof!!