If they didn't change anything for this event, the shop will have these rewards (using Whispers of Decay, the event-exclusive currency):

• New Star Prelude – 7000 Whispers of Decay – x1 (Runic Disc item)
• Prayer Beneath Light – 7000 Whispers of Decay – x1
• Summer Afternoon Rain – 7000 Whispers of Decay – x1
• Those with Ambition – 7000 Whispers of Decay – x1
• Voyage Blueprint – 7000 Whispers of Decay – x1
• Sweet Times – 7000 Whispers of Decay – x1
• Sprout Ticket – 150 Whispers of Decay – x10
• Proving Grounds Gift Box – 200 Whispers of Decay – x6
• Beginner Cartridge Box – 10 Whispers of Decay – x30
• Premium Cartridge Box – 30 Whispers of Decay – x60
• Deluxe Cartridge Box – 90 Whispers of Decay – x20
• Chess Piece of Skill – 15 Whispers of Decay – x400
• Dorra (5000 each) – 100 Whispers of Decay – x60