It tells the story of an ordinary time traveler × an avenger who carries a destiny.
The writing style tends towards plot and towards realism.
Friendship is valuable, but love is more valuable. If it is a strong family relationship, both can be discarded. The relationship between the two will become more family-friendly than love in the long run.
The original heroine has a mature outlook. She is not a Mary Sue, has no cheats, is not a Virgin, and is not a vase. The old cow eats young grass, the female junior is holding a gold brick, the kind that can kill Sasuke with just the gold brick.
He loves Sasuke and puts Sasuke first. He is one of the rare people who can support Sasuke unconditionally despite his three views.
Purpose: Nurture, protect, grow