This is the cute room of a Japanese girl, Ziraikei!
It's a cute room, but it's a painting with a little bit of depression.
You can see what she's like in the various objects in the room

地雷系女の子のかわいい部屋です！
かわいいものがいっぱいあるけど、ちょっと病みも入ってる病みかわ作品になります