I've officially opened my Redbubble account 

All merch such as Witch Memory, Pink Jammies, etc will be there

Other art will also be available 

Link: Erin is a character for my 'maybe' upcoming Webtoon called "Erin's Teenage Life" which will be a Slice Of Life and Comedy https://www.redbubble.com/shop/ap/135835026?asc=u