Tiunn Siān-sûn

A misplaced time of youth, is like playing badminton in a tennis court.

9 years-old Yu and 15 years-old Guei are half-sisters living without their parents. Guei always takes good care of Yu like a mother, however it leads Yu to be teased by her classmates. One day, to protect the status of Yu's real mother in her heart, Yu accidentally hurts Guei.

7-year-old girl Ting-Ting is nearsighted, but she doesn't want to wear the glasses. Because she finds that her young and capricious mother, also a streamer she followed, pays attention on her only when she needs to apply eye drops.