Official website for Anniversary which is contain all 3rd Anniversary art for every member and some of information of Morfonica will be appear there. There are also casual clothes art of Morfonica member!

This comment was posted to reddit on Mar 01, 2020 at 4:34 pm and was deleted within 12 minutes.

Did some digging, here are some of the artworks that can be accessed through the source page:

Individual poster [970x1440]:

Morfonica background picture [3480x2846] [1024x1542]

Morfonica's theme? mp3

Morfonica resources if you want to make wallpaper similar to the character site:

Dark green Rui v1 v2 background

Orange Nanami v1 v2 background

Violet Mashiro v1 v2 background

Pink Tsukushi v1 v2 background

Other images should be able to get directly from the website. For specific images, search the page source and its css style.