During my life (and mainly while I attended school) I have made various stuff, some of them can be found here.
K-ON Book (2015, PDF)
Neptunia booklet (2014, PDF)
Megaman Starforce calendar (2015, PDF)
Shattered Skies (2017, 5 images)
Shattered Skies Distant Thunder concept (2019, 2 images)
I have also created some other sites which you can access from here as well.
Tennouboshi.moe (2019)
Shitemas (2018)
Hacknet themed site (2016)