>>2298105Or you could just upscale a scan in Waifu2x (or a similar resizing program, not familiar with others though), and clean up the linework, shading, colors etc. from there. Here's the other Waifu2x upscale of one of the scans I posted. The colors are more accurate, but the linework is worse, and there's some bizarre textures on adult Kiss-Shot's dress (also their eyes look kind of like they're melting.)
That's why I think it would be best to use a digital version, like the one I originally posted, or the other one I linked:
(which again has no jpeg artifacts, but has worse colors and is slightly lower res.)
https://i.lensdump.com/i/W13t2i.jpg 