Creative Commons attributions:
UI Pack
Images
Controller buttons Flat Gamepad Icons by RobTheFiveNine
Camera (altered): https://www.flaticon.com/free-icon/camera_2956744?term=camera&page=1&position=7&origin=search&related_id=2956744
Friend Icon (altered): https://www.flaticon.com/free-icon/people_1769041?term=people&page=1&position=1&origin=search&related_id=1769041
Sound Effects
かわいい - ポケットサウンド - フリー効果音素材・BGMダウンロード - 2ページ
フリー効果音：カウントダウン｜OtoLogic
効果音やフリー音源ならVSQ plus+（VSQプラス） | YouTubeなどの動画に無料で利用可能
https://tadanote.tokyo/
効果音素材 1,311件 1／263 ページ｜フリーBGM DOVA-SYNDROME
利用規約｜創作堂さくら紅葉
https://www.youtube.com/watch?v=U5Fa_Miyf60&t=40s&ab_channel=ALLSOUNDEFFECT%2F모두사운드이펙트
Music
Eyes
Free Vector | Detailed anime eye set
Free Vector | Anime female eyes
Free Vector | Hand drawn blue eyes cartoon illustration
Free Vector | Detailed anime eye colorful collection
Anime eyes illustration | AI-generated image
Free Vector | Hand drawn flat design kawaii face collection
Free Vector | Four girls anime style characters
Free Vector | Blue eyes anime girl character
Free Vector | Hand drawn blue eyes cartoon illustration
Textures
https://pixabay.com/illustrations/marble-painting-texture-pattern-3389459/
https://pixabay.com/photos/paper-scrapbook-texture-decorative-1914901/
https://pixabay.com/illustrations/texture-background-1025391/
https://pixabay.com/illustrations/marble-background-white-abstract-2398946/
https://pixabay.com/photos/stone-tile-marble-structure-2929205/
https://pixabay.com/photos/grey-stone-texture-gray-texture-2620586/
https://pixabay.com/photos/abstract-pattern-surface-texture-1867395/
https://pixabay.com/illustrations/gradient-professional-background-1761190/
https://pixabay.com/illustrations/flowers-pattern-white-flowers-8245210/
https://pixabay.com/illustrations/white-floral-wallpaper-blue-7721024/
https://pixabay.com/illustrations/texture-green-acrylic-painted-2109082/
https://pixabay.com/illustrations/background-texture-wallpaper-1921589/
https://pixabay.com/photos/background-texture-textured-water-4923570/
https://pixabay.com/illustrations/texture-wood-grain-structure-1027736/
https://pixabay.com/illustrations/texture-wood-grain-structure-1027757/
https://pixabay.com/illustrations/texture-wood-grain-structure-1027779/
https://pixabay.com/illustrations/texture-wood-grain-structure-1027809/
https://pixabay.com/illustrations/background-pattern-confetti-texture-1637197/
https://pixabay.com/illustrations/circle-dot-pattern-design-dotted-2703750/
https://pixabay.com/illustrations/dots-circles-pattern-dot-pattern-931995/
https://pixabay.com/illustrations/dots-ivory-wallpaper-background-6488171/
https://pixabay.com/vectors/vector-pattern-background-corner-2493747/
https://pixabay.com/illustrations/magenta-white-lattice-pattern-723436/
https://pixabay.com/vectors/stylized-flower-floral-pattern-2790358/
https://pixabay.com/vectors/mesh-pattern-monochrome-geometric-2697073/
https://pixabay.com/illustrations/monochrome-pattern-circle-dot-2484055/
https://pixabay.com/illustrations/hexagon-pattern-pattern-hexagon-2657990/
https://pixabay.com/illustrations/hexagon-hexagon-pattern-honeycomb-7194573/
https://pixabay.com/illustrations/pattern-halftone-background-dot-2715834/
https://pixabay.com/vectors/background-dot-pattern-2501272/
https://pixabay.com/vectors/pattern-square-rounded-diagonal-2490099/
Special Thanks