This post was deleted for the following reason:
Unapproved in three days ()
Artist's commentary
Cover art for the new Winter Comic “Sex Instructor's Work Extra Edition” and “Sex Instructor's Work 5 and 6 Setting Material Collection and “Sex Instructor's Work 5 and 6 Setting Collection”. Pre-orders have started at bookstores. The extra edition has a bonus edition, so if you want it, be sure to get it soon.