From September 30th 5:00 LNST to October 7th 23:59 LNST, Momo has a suit completion quest for Nikki!
Complete the Ink Wash Painting suit to receive 1 Fantasy Ticket, 15 Starlight Coins, and 30 Stamina. If you’ve already completed the suit, you can claim your reward immediately. The reward is claimed through the Events tab on the sidebar.
For those who have yet to complete the suit, a full crafting breakdown can be found here.