3-part color sequence: Female secretary is regressed to a little girl
Category: Age
3-part color sequence: Woman and little girl swap ages
Higher resolution: https://www.deviantart.com/mentalcrash/art/Sprited-Away-868364140
3-part color sequence: Male warrior turns into a little girl
https://www.deviantart.com/secretagentmittens/art/Alteration-Spell-TGAR-868233359
4-part color sequence: Small, female character of an unspecified age grows into a curvy woman
210109 by Rensyu
2, 4-part color sequences: Nude girl goes through puberty
11-part black and white sequence: Woman accidentally shoots herself with an age regression ray and turns into a toddler.
https://www.deviantart.com/cluedog/art/Kid-s-Stuff-865760118
Short age progression animation: Girl imagines herself growing bigger breasts in a cutaway transformation scene
[link forthcoming]
Witchy Woman by Mr. Internet Man
11-part color sequence: Old witch gets younger and sexier
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-1-753222455
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-2-753222755
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-3-753222852
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-4-753222923
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-5-753223170
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-6-753223225
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-7-753223349
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-8-753223512
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-9-753223624
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-10-753223720
https://www.deviantart.com/mrinternetman/art/Witchy-Woman-11-753223867
成長期 by 吉田悟郎
5-part, color sequence: Little boy ages into a busty, adult woman
https://www.pixiv.net/member_illust.php?mode=medium&illust_id=69345970
5-page black and white comic: Woman is breastfeeding when her infant daughter begins to literally suck the years away from her
https://www.pixiv.net/member_illust.php?mode=medium&illust_id=62846050