Month-long art challenge done by Scafen, explained in detail here

Day 1 - Blowjob
Day 2 - Toys
Day 3 - Marking/Biting
Day 4 - Breast Play
Day 5 - Anal
Day 6 - Creampie
Day 7 - Double Penetration
Day 8 - Public/Exhibitionism
Day 9 - Collar/Pet Play
Day 10 - Musk/Sweat
Day 11 - Rimming
Day 12 - Orgasm Denial
Day 13 - Breeding Mount
Day 14 - Size Difference
Day 15 - Caught in the Act
Day 16 - Smothering
Day 17 - Frotting
Day 18 - Excessive Cum
Day 19 - Knotting
Day 20 - Sheath Docking
Day 21 - Tailsex
Day 22 - Cum Inflation
Day 23 - Crossdressing/Lingerie
Day 24 - Underwear/Bulges
Day 25 - Powerbottoming
Day 26 - Vore (soft)
Day 27 - Restraints/BDSM
Day 28 - Worship
Day 29 - Watersports
Day 30 - Free Space