Hitozuma Onsen 2 ~Kozukuri Onsen Ryojou~

Jun is now with Akira's mother, Misako.
A year later, while he begins to think about the marriage, Misako brings up an idea of going to a hot spring for 3 days.
However, at the meeting spot on the departure day, he finds both Misako and Akemi waiting...

[From DLsite English]