The story was very good. The acting was also very impressive by the young actors.
But even so, many things are left open. Nobody knows they're together. The sisters love Tanaka and so is his ex-girlfriend Yoshida. But how would they take the relationship between those two?
I don't like open ending in a drama, especially when they created those questions on purpose.
I LOVE Japanese BL because it's always very down to earth, but this one was, to me, very rushed. I would have wish they would have done more like the manga.