|Native title||笑顔に涙～Thank You! Dear My Friends～|
|Released||December 10, 2010|
|Previous||Manatsu no Kousen (2010)|
|Next||Romantic Ukare Mode (2011)|
Egao ni Namida ~Thank You! Dear My Friends~ (笑顔に涙～Thank You! Dear My Friends～; Tears to Smile ~Thank You! Dear My Friends~) is Okai Chisato's 3rd digital single. It was released on December 10, 2010 as a part of the Hello Cover Series. The single, a cover of a song from Matsuura Aya's album First Kiss, was only sold through iTunes Store and MUSICO.