Credits for images used in this demo:

bg.webp
Uncle Mugen from: https://lemmasoft.renai.us/forums/viewtopic.php?f=52&t=17302

Ayame Errkk.webp
Hana Impressed m.webp
Mayonaise Angry.webp
Nana Confident.webp
Mugかぶり from: https://lemmasoft.renai.us/forums/viewtopic.php?f=52&t=39049