i came back to re-read this manga the second time and everything came into place one by one, then you will realize the bittersweet truth of the story (≧∀≦)
Same i got confused on who is who and what person belonged to what family and whi the heck is very important hahahaaha...but like you said a very happy ending.
THIS
IS
SHOUJOOO MANGAAAA
Σ(っ°Д °;)っ
With Yaoi as a topping.. ╮( ̄▽ ̄)╭
Well.. It taste weird but i'm hungry so..