Woman discovers elder sister's painful secret -- that no one should have to go through

Ai, who lives alone, reluctantly agrees to take in her older sister Kyoko for a while after getting a phone call from their mother.

Kyoko has a secret which Ai respects, but it lurks as if behind countless cracks in transparent glass that cannot be broken.

They live as strangers at first, but come to open their hearts to each other as true sisters.

Watch how their relationship unfolds in this Japanese short film directed by Arai Satoshi and featured on Viddsee.

Warning: Some mature themes.