今日は2（ニ）5（コ）で笑顔の日だそうです
#FF14

Today is 2 (ニ) 5 (コ), so Smile day.
#FF14

<tn>Japanese <i>goroawase</i> (type of wordplay). The kanji for 2 and 5 can be read as "ni" and "ko" respectively; "niko" means "smile"</tn>