Actor Zeng Shunxi (left), actress Zhang Xueying (center) and actor Wang Bowen (right) attend a promotional event for the launch of a 32-episode drama When We Were Young on August 13, 2017. [Photo/mtime.com]

A 32-episode drama focusing on romance and mystery in a school is set to be released on Tencent's video channel.

When We Were Young revolves around twins, with one raised by an adopted mother while the other is raised in an orphanage.

Moving to help the twin suffering from depression in the orphanage, the other sister steps in, by switching identities to solve mysteries within the school.

Two online video platform giants, Mango TV and Tencent, have jointly produced the drama, with the target audience being those who were born after 1995.