"Itsuka Hanareru Hi ga Kite mo" (いつか離れる日が来ても, lit.

"Even If the Day We Get Separated Comes") is Ken Hirai's twenty-ninth (second recut) single, released on April 23, 2008.

The song was written for the movie "Ano Sora wo Oboeteru", starring Yutaka Takenouchi.

[1] The music video stars actress Rie Miyazawa.

[2]