Traveling entertainers Yin and Ning are very close sisters.
Yin cares for her armless sister as they travel between villages, putting on performances of swordplay and dancing.
When they arrive in the ruins of a village, they find a mysterious bamboo writing strip.
The strip glows, and from within it a strange girl and a single sword appear.
Meanwhile, in the Taibai Empire bent on conquering the Shenzhou region, a boy name Zhao is working as a slave.
Zhou, who has been teaching himself engineering, meets a young girl one night.
I'll be your childhood friend.
سأكون صديقة طفولتك
Ich bin jetzt deine Kindheitsfreundin.
Yo seré tu amiga de la infancia.
Yo seré tu amiga de la infancia.
Je vais devenir ton amie d’enfance.
Sarò la tua amica d'infanzia.
Eu serei sua amiga de infância.
Теперь я буду твоим другом детства.