Cai Ming

A 9-year-old boy named Zhang Yu, burdened by family troubles, unexpectedly meets Sakura, a mysterious 17-year-old girl. Together, they step through a gateway in time and embark on a magical journey filled with both hilarious and touching adventures. Along the way, they grow as individuals, and the true nature of their relationship is gradually revealed.

When Luo Xue runs away in anger from her boyfriend, she unwittingly stumbles upon a murder case committed by a pair of harmless-looking young boys and girls. Fearing that word will get out, the secretive pair imprison Luo Xue in the attic. As Luo Xue's "best friend" Su Wen intervenes, things become more and more unpredictable and the truth gradually emerges