Set at a shop called The Amber Tea-house, this is a very heartwarming story that focuses on Seriho, the proprietress of the tea house, and Sarasa, the high school student who works there part-time. It'll set your heart aflutter!

Volume 2 also includes Chapters 1-4 of Otomeiro Stay Tune as extras.

A prologue called Ameiro Kouchakan Sawa can be found in the [es] Eternal Sisters anthology.
( https://bato.to/comic/_/comics/es-eternal-sisters-r4879 )

A doujinshi of Ameiro Kouchakan Kandan by FUJIEDA Miyabi was included in Ameiro Kouchakan Souwa Lilyca.
( https://bato.to/comic/_/comics/ameiro-kouchakan-souwa-lilyca-r8308 )