The "Marriage First, Love Later" style in which rivals are forced to get married uses the IQ and rhetoric of a businessman to fall in love. On the surface, it is a tit-for-tat marriage that harms each other, but in fact, two top brains are attracted to each other and gradually fall into each other. The targets of slap-in-the-face articles are not outsiders, but each other - every time they think they have the other side, they end up being killed by the other side. It can be sweet or cruel, cruelty is the distrust of each other, sweetness is the only tacit understanding between sweetness and protecting each other.