Morning Musume '17 12ki Nikki! (モーニング娘。’17 12期日記！; Morning Musume '17 12th Generation Diary!) is a radio show on FM FUJI, featuring the 12th generation members of Morning Musume. It first aired on January 4, 2015, filling in RIHO-DELI's original time slot.
It airs every Sunday 16:30~16:53 JST.