Es-node

Play as a lone wanderer who lost his family in a fire.
Set in modern day Japan during times of great change,
the characters also have no choice but to forge ahead.
Together with your personal heroines, journey into the future.

Presenting the first work from energetic new collaborative Nasska.
"es-node", an adventure game built on the Ren'py novel engine.
Windows, Mac, and Linux compatible
Includes modern discussion and keywords of science, technology, religion, etc.

[From DLsite.com]