Xu Muchi, who was bullied because of his appearance, accidentally got 54 friendship cards. Using one card can make the designated person become his friend for a day, but the designated person will forget it the next day. Xu Muchi first used the friendship card to the leader who presided over the bullying, and then used it to the girl he liked, but the remaining 52 cards were all given to one person - Xia Tian
Purpose: Friendship is not exploitation