A sequel to Love Nikki, it was released in China on August 6, 2019, Japan on March 18, 2021,[1] globally on July 5, 2021, and Vietnam on October 24, 2023.

The player has to choose clothing with the highest scoring attritbutes to increase their Styling Power in order to win against the opponent.

[2] Styling Power can also be increased by developing a player's bond with Nikki through watching events in the Home and using gifts.

[2] To obtain clothing, the player can collect from Apple Apparel, where the clothing can be purchased with Gold or Pink Gems; the Gate of Heart, which houses Sea of Fantasy, requiring Fantasy Tickets or Pink Gems, and Sea of Mystery, requiring Mystery Tickets or Gold; and Workshop, where the player has to collect materials from different story stages to craft certain items.

[2] Liu Cong Vasiliy, art director of Papergames considers the material of the clothes to be the most important aspect of the game.

After studying physical fabrics, they use Adobe Substance Designer to digitally recreate the textures, a process they find worthwhile given the results.

[3] Bro Seal, director of 2D art for the game, describes Shining Nikki as having a vast collection of costume styles and explains how each set is the representation of a character's memory and dedication towards their creation.

The game has had collaborations with Neon Genesis Evangelion,[5] Cardcaptor Sakura,[6] Cinderella, Beauty and the Beast,[7] Frozen[8] and Sanrio through the use of the characters My Melody, Cinnamoroll, Kuromi, and Pompompurin.

Lee additionally claimed that Papergames' lack of monetary compensation following its withdrawal violated Korean fair trade laws.