A friend recommended me this because I started to like watching movies/series with Nakai, Tsutsumi, Kimura.
What can I say? All 3 are starring in this special and doing an awesome job (especially Tsutsumi with his introverted and shy character ♡)
Love the other actresses and actors, the great comedy, the chemistry between the characters, the setting.
Already watched it more than once.
Please give it a try. I'm sure you would enjoy this, even if you haven't watched the main Hero series. It works perfectly fine as a standalone.