According to the results of all the supporters' votes, WSIS will receive the main focus of character development from this update. And if I can pull it off, I should also be advancing a bit of the development of WNEI, who came in second place xD

Character ID Reference
Step-Sis-Chan!
There's just one new scene content in this update, that actually is an update of an existing scene. You just need to do the Late Night Snack of WSIS to see it. The scene has a new beginning with minigames and a few variation routes.

Hang Out Added
WSIS is also available for afternoon hang out at school. A jogging hang out was added to WNEI as well.
Visual Update
A visual rework was made in the meeting scenes of WGAL and WGOT.
Socialization During Class
More characters are now available for social interaction during classes:
WUZA, for common and swimming
WGOT, for common and swimming
HINE, for common
HPRV, for swimming
Bug Fix
Also, a code rework was made to avoid errors that occurs after a loaded game. So, please consider reporting any problems you find if you do so I can fix it as fast as possible.