There's definitely a few references I missed. I'm not sure if it's the 好きな惣菜発表ドラゴン on the shelf, and I'm not sure what flowers mean on the desk.

EroZero said:

There's definitely a few references I missed. I'm not sure if it's the 好きな惣菜発表ドラゴン on the shelf, and I'm not sure what flowers mean on the desk.

the duck is also from magic maid, along with the apron and basket