箱庭の夢 (Hakoniwa no Yume)

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In an endless love, you closed your eyes——

The story of a man who mourns the loss of his love.

This song is featured on TEAM Entertainment's compilation album IA THE WORLD ～翼～, and Yamashizuku's albums EVER DREAM, Mistletoe ~Kamigami no Yadorigi~ and Shuffle!!2. It has reached the Hall of Fame.

Other media appearances
This song was featured in the AniNite '15 concert.