"Because what happened that day is our shared "secret"..."

As time passes on, the passion that Umeda Hokuto and Kijima Ryouichi felt from the summer when they were 16 is quietly and deeply ripening. Now that the two have become colleagues at Ousaka Gakuen, Umeda decided that it's about time he deal with his feelings for Ryouichi. But then Ryouichi said, "Even though I already told you...".

"Himitsu" is a totally brand new episode about the shocking work that was written in the mega-hit "Hanazakari no Kimitachi e". These two adults are quite bitter...