The success of this popular introduction lies in the fact that it uses a few minimal words to construct a core conflict of "contrast cuteness" and uses a specific, sweet-loving action (asking for a hug) to light up the entire story. It cleverly makes use of readers' familiarity with the themes of "contract marriage" and "marriage first, love later", and at the same time adds unexpected sweet details, making people attracted at first glance and looking forward to the subsequent development.
