The captain of the special forces who always thinks about his good buddies and his sister VS the cute and cute girl who never forgets her brother and good buddies
Two-way secret love, sweet and not abusive
Non-plot-oriented, not too long
It's still the old recipe of a male protagonist in uniform + a long-awaited reunion to continue the front-end plot, I hope you won't get tired of it
above
Mission: Persistence is victory, patience will eventually pay off