Orihara Kouhei returns to his town after a long disappearance to fullfil the promises he made to several girls in his childhood. He suffered from memory loss, and carries a tragic past. An strange ambience surrounds the OVA...It's almost like a dream, like memories from the past trying to come together in one piece but without being able to...
Kaido is the best site to watch One: Kagayaku Kisetsu e
SUB online, or
you can even watch One: Kagayaku Kisetsu e
DUB in HD quality.
You can also find
anime on Kaido website.