To protect Mondstadt, Barbara and Jean have to do a special performance. But there is a condition - one of them must volunteer as a seedbed for a butterfly. Jean being the elder sister volunteers herself - but ends up enjoying it.

*Credits*

Model - MDJSN - https://ecchi.iwara.tv/users/mdjsn
Butterfly - Mr.西兰花 - https://ecchi.iwara.tv/users/mr%E8%A5%BF%E5%85%B0%E8%8A%B1
Stage, motions and camera - Dr.Cossack - https://ecchi.iwara.tv/users/drcossack