- 15 Diamonds - One Time
- 135 Diamonds - Ten Times
- 3★ guaranteed. (More than 1; 4★ guaranteed for Ten consecutive.)
- Start: 2/14/2018 at 15:00 JST
- End: 2/27/2018 at 15:00 JST
- Cards from "Last Period" will be 2x more effective during the Voyage! Early Spring Cruising Live event.
- 4★ card: 2-10% (For every copy of the card owned, the bonus increases by 2%. Eg: 1x yields 2% bonus event points)
- 5★ card: 4-20% (For every copy of the card owned, the bonus increases by 4%. Eg: 3x yields 12% bonus event points)
- If all 4 characters are gathered in the same live unit, "Story Brought by the Spiral" unit skill will be activated.
- Comes with a total of 8 stories. Unlockable in the cards' Idol Roads.
Event Scout Pool
- The Event Scout 5★ will have a 100% chance of being obtained, if a 5★ is drawn.
- The Event Scout 4★ will have a 50% chance of being obtained, if a 4★ is drawn.
- The Event Scout Pool includes all non-event cards and Intro Scout cards.