Here is Nanairo Inko chapter 15a
Here is mangadex reader link:
https://mangadex.org/title/58987/nanairo-inko/
Mangadex is not working at the moment, so here is google drive link:
https://drive.google.com/drive/folders/1UyeuQbFiQz8HH-W6i6x3KVlRksW_CJjF