On a planet at the northern edge of the world, a heart burns bright.
Only cowards fall in love in secret, yet neither of them realized that they were both cowards.
The feelings they never voiced were covered by eternal snowflakes, burying them both forever on that Christmas Eve.
In one corner of the letter that arrived years too late, it said: "My tenderness toward you is as unchanging as the afterglow, and my love will never waver."