the picture names suggest this is the same as https://e-hentai.org/g/4196763/5467a32c81/
but you have a clean image i did not have. is this an earlier version of the same pixiv gallery page? also not sure if your images are actually just bigger or what. you had me worried i had accidentally downloaded the poor version images but i didnt, i did get the png better version images- but yours have a higher resolution?

Base +35, nuts987 +15