Its an old copypasta that started from 4chan /jp/ board with a picture of Yuuka Kazami from the bullet-hell shooter Touhou Project circa 2012.
pls rember that wen u feel scare or frigten never forget ttimes wen u feeled happy
wen day is dark alway rember happy daypls rember that wen u feel scare or frigten
never forget ttimes wen u feeled happy
wen day is dark alway rember happy day