After being hit by an apple, I picked up a neighbor...
Jian Si's familiar personality made him take the initiative to get closer to Song Cui - teaching him science, sharing daily life, and showing care and concern from time to time. These closenesses seemed ordinary to others, but made Song Cui frequently "exceed the standard"
Song Zuo secretly labeled Jian Si as a "danger factor" and tried to establish a safe distance.
"My heartbeat threshold has been reset to zero just for you."
Concept: A five-day period with short memories