
A pharmacist who lost someone dear to illness is given one last chance — to save a patient with the same disease. Venture into a snow-bound ward of mystery, solve puzzles, survive chases, and uncover the truth. Your choices shape the ending — multiple endings included.

A horror adventure game in which a pharmacist who has lost someone dear explores a mysterious ward locked in snow.
The story progresses as you walk around and explore the ward. To advance further, you must solve numerous mysteries hidden within the ward.
At times, you may find yourself being chased by something of unknown identity. Proceed through the ward with caution so as not to get caught.
You can also enjoy heartfelt stories shared with the people you encounter in the ward.
Can you face the fear within yourself in order to save the one you love?
Explore the snow-bound ward and unravel the truths hidden within it.

This title is the paid version of the free game Chart of the Thaw, with the following additional content:
Addition of the True Ending
Voice acting implementation
An ending theme song exclusive to the paid version

Hikaru Yagen, a pharmacist who lost his childhood friend Umi — a girl he had grown up with since they were young — to an incurable illness known as "Awayuki Disease." "If only I had the power back then" — carrying that regret with him, he has spent the past five years searching for a cure for the same disease.
Then, a girl named Asuka appears before him, bearing the same symptoms as Umi. "This time, I will definitely save her." Having made that resolution one night, her condition suddenly takes a turn for the worse, and a single mysterious medical chart appears. The next moment, Yagen finds himself lost in a place that closely resembles the hospital he knows, yet feels somehow different — the "Ward of Melting Snow."

Hikaru Yagen: (○○○○)
Asuka: (○○○○)
Shiro: (○○○○)
Rei Yukimura: (○○○○)
Masaru Hirooka: (○○○○)