Fucheng is a scumbag who doesn't learn well, doesn't understand normal interpersonal communication, and gets irritable whenever he disagrees.
Huchen is a third-generation soldier who can do well on his own, can study well, and has a temper that is sometimes cold and sometimes changeable.
Huchen despised people like Fucheng, so one day he was upset and made a date. From then on, Fucheng gained a grandfather.
Intention: love