Yellow, fully bloomed climbing roses for Nagi.
Sunday mornings when they don't have work mean that Nagi can sleep late the night before without worrying about giving his sleeping hours to Magical Kokona - he would never regret it anyway, but he knows Mitsuki would scold him... it's still cute when he does it, though - and just wake up late. When it happens, what Nagi likes the most is that he finds everyone up, often in the kitchen; they wait for him until the last minute and then they send Mitsuki to wake him up if necessary. Yamato shares his fate somehow, with Tamaki and Riku doing their job when literally ambushing him on his own bed.
Nagi loves the table they share to eat their breakfast, how good is Mitsuki's food, how Yamato keeps yawning; the way Sogo often helps Tamaki who is too agitated to eat properly, Riku's happy laugh and how mature Iori always is, giving a hand to both his brother and Sogo.
And when, sometimes, Tsumugi joins them, Nagi sincerely feels like there is not more perfect way to spend time with loved ones.
Climbing roses are for warm and happy atmosphere at home.