Sexy Commando Side Story: A Story that can be Told in Two Days - Masaru-san: The Road to Becoming a Master

2日で出来る マサルさんマスターへの道

Also known as Futsuka de Dekiru: Masaru-san Master e no Michi, Sexy Commando Gaiden: Sugoi yo!! Masaru-san Specials, Sexy Commando Gaiden: Learn it in 2 days - The Road to Masaru-san Mastership, Sexy Commando Side Story: Learn it in 2 days - The Road to Masaru-san Mastership

Even though this is a recap, there are a few sequences where there is some new text overlaid the pictures, telling something that wasn't explicitly told earlier.