Wind: A Breath of Heart
Summary That summer day. Makoto Okano and his younger sister Hinata sit across from each other in the box seats of a local express heading to that town, underneath a blue sky that seems to stretch out to infinity. The town they are heading to is the very one that they were born in and were separated from long ago -- Kazune City. In the midst of the midsummer wind, bathed in the wind that rushes in from the train window, they head to that town, which they only have vague memories of.
"Say, let's promise to meet again."
"I'll keep playing this harmonica, okay? Because even if I can't reach you, the sound of the harmonica surely will."
The harmonica, which was handed over together with the promise to that girl.
And within the shaking cabin of the train, Makoto wakes up, dimly but surely recalling that memory ...
Ending Guideline / Suggested Route Order
There are four main heroins, Nozomi, Wakaba, Minamo, Hinata, and Hikari. In order to unlock Hikari's route, you need to finish the routes of the other four girls first. Route Guideline
Fujimiya Nozomi
Good End
Fujimiya Wakaba
Good End
Narukaze Minamo
Good End
Okano Hinata
Good End
Tsukishiro Hikari
Good End
Attribution
This walkthrough is based on info attained on Gamefaqs.com with some adjustments made by me.