Overview • Map
Ran from December 7th to December 16th, 2019.
In the garden full of flowers, 3 special flowers are blooming quietly but beautifully.
Complete stages of the event map to collect Serene Petals 
. After obtaining certain amounts of , you can unlock pieces of the outfits Prayer Dancer, Rosy Waltz, and Starry Mentor. After claiming pieces, are used up. Of the three suits, you can choose which one to unlock.
Collection Rewards
Prayer Dancer
Character: Mayor of Moonlit City
| Petals Collected | Reward |
|---|---|
| 128 | Flowing Cloud Grace (Earrings) |
| 128 | Laughter Whisper (Leglet) |
| 128 | Buried in Thought (Hair Ornament) |
| 132 | Frown (Face) |
| 145 | Moon and Rainbow (Shoes) |
| 148 | Lonely Snow Light (Brooch) |
| 150 | Beautiful Makeup (Top) |
| 168 | Temple Flower (Hair) |
| 170 | Guizhou's Thought (Makeup) |
| 188 | Lisheng's Words (Coat) |
| 180 | Music All Over the City (Bottoms) |
| 190 | Gold Bell Jade Pendant (Ground) |
Rosy Waltz
Character: Toto
| Petals Collected | Reward |
|---|---|
| 128 | Seawater Rose (Necklace) |
| 129 | Dance to Light (Leglet) |
| 130 | Bluebird's Blessing (Gloves) |
| 135 | Bosom Friend (Earrings) |
| 140 | Fluttering Color (Brooch) |
| 160 | Navy Oath (Foreground) |
| 165 | Neon Veil (Veil) |
| 168 | Reflection on Water (Ground) |
| 170 | Happiness Prelude (Hair) |
| 180 | Rosy Heart (Makeup) |
| 185 | Door to Dream Ocean (Background) |
| 200 | Ice Blue Dream (Dress) |
Starry Mentor
Character: Starlet
| Petals Collected | Reward |
|---|---|
| 120 | Star Echo (Hosiery) |
| 120 | Glittering Star (Necklace) |
| 120 | Night Blossom (Hair Ornament) |
| 120 | Galaxy Poem (Earrings) |
| 132 | Prayer (Shoes) |
| 133 | Guiding Star (Waist) |
| 128 | End of Faith (Background) |
| 150 | Midnight Ballad (Hair) |
| 135 | Lost in Mortal World (Ground) |
| 140 | Wind Flower Tail (Coat) |
| 156 | Light of Fate (Foreground) |
| 168 | Caring Eyes (Makeup) |
Video
Love Nikki-Dress Up Queen Garden Secret