Ten years have passed since Aika left Japan, she had to part with her beloved sister. All the time that she lived in New York she could not find her happiness. And now it's time to come back, unpleasant circumstances require it: the death of a grandfather.

When she returns, she learns that her sister, Yuno, has already been married for a long time and lives a quiet measured life.

But feelings for her sister have not yet died away, will they be able to settle old differences and be together again? Or will Ike have to go back to New York and forever regret the lost chance?

[From Steam]