[Chinese Subtitles] SDJS-161 A Secretly Filmed Investigation of Nakayama Kotonoha, a Female SOD Employee in Her Third Year in the Publicity Department. To be honest, she doesn't really get along with a flirty junior colleague, but she ends up sharing a room with him at a ryokan hotel on a business trip... If the junior comes on to her in a closed room, will Nakayama be able to maintain her dignity as a senior?!