Talk:BRAND NEW MORNING / Jealousy Jealousy/@comment-24097713-20170223221633/@comment-26525093-20170227203036

Some people are saying that Seishun Kozou.../.../... marked the start of a new era: Diamond Era.

Era guide: https://docs.google.com/spreadsheets/d/10_yAGU3FXSmJh4jx9KJVp7hsqkI7sXSTlNMAIhXa5tA/edit#gid=2332856