Music Credits:

GameOver: (speed up) Yume Nikki Gensou/Soul Dream OST - The End by Madotsuki1997 (YTCHANNEL)
Title + Menu: Yume Nikki piano mix - Madotsuki dreams by Madotsuki1997 (YTCHANNEL)

Music_1:
Yume Nikki (1: Madotsuki)- SIRI - The Flute Song (Yume Nikki Remix) by SiriProject (YTCHANNEL)
(_4) Yume Nikki (2: Monoko)- Yume Nikki Gensou - Monoko
(_6) Yume Nikki (3: Poniko)- Poniko's Electro House (Poniko's House Wub Machine Remix) by Wub Machine
(_5) Yume Nikki (4: Monoe)- Flute (Monoe Mix)

Music_2:
DOTFLOW (.Flow)- Ferric Coat by PengoSolvent (YTCHANNEL)

Music_3:
Yume 2kki- Converted Silence by PengoSolvent (TCHANNEL)

Music_7:
Jigoku Nagashi- Cherry Blossoms- Beautiful Japanese Music by Derek Fiechter
Music_8:
Me's theme - Tartarian Aster Sprout by isasapiens

Music_9:
Nightmare Castle- 


Images Credits:
Title image by: 6274 (Artist)
Menu image by: Pow
Yume Nikki's Stage by: Hattori (Junoct2000)
Monoko's Stage by: ????? source needed, please send an ask if found!!
Monoe's Stage by: Kureopatora
Poniko's Stage by: Pixiv Id 1330569
.Flow's Stage by: Pixiv Id 419413
Yume 2kki's Stage by: Onuko
Me's Stagy by: Isasapiens

Script Credits:
Atelier.