Double Decker! Doug & Kirill: Extra Episode 16 English Subbed Episode Title:Detective Buzz-Cut and the Steamy Murder Mystery Case.Episode Description:The Seven-O unit travels to the Zuy Attammi onsen which is run by the twin sister of their landlord. Everyone loosens up after eating and drinking, and Derek has eyes for Valery, not realizing that he is a man. There is drama that night when Derek is found naked and unconscious in the women's bath, but it is only because he slipped and fell. Meanwhile, they are targeted by Panty M, the panty thief, and after trying to catch him, they discover that he is one of seven septuplets who have been stealing panties for some time.