It collects mainly the artworks of 绘之音. It has higher resolution and more covered artworks than the old one uploaded by someone else. 原画质,截止上传日期的音音的oc的全部能找到的插画,部分已经在pixiv被音音删了。
还有些没包含,因为在收藏集,已经有老哥发了 some are not included, as they are a whole set of cgs for sale in bilibili. Another uploader have upload it If you want to find it, search: 绘之音, and click the one with ”收藏集“ in its name