Episode "3.5" replacing episode 1 in the BD&DVD release. The episode will feature two short segments titled "Matsu Soup" and "Virgin Hero."
"Matsu Soup" - One day, the Matsuno boys are greeted by a morning different from usual... A special day for them begins.
"Virgin Hero" - One day, Choromatsu discovers a group of college students enjoying a barbecue. But he feels inferior next to these college students who live in a different (?) world. What's revealed is...