I bought three cutain rails at Seiyu. One curtain rail cost 1048 yen ($10.27 €7.59). I also bought two sets of 100cm x 133cm size curtains. One curtain cost 1821 yen ($17.85 €13.19).
Here is a photo of the curtain rail.
I set up the curtain rails and curtains in my house.
Men's sandals = 108 yen ($1.06 €0.78)
I bought sandals for 108 yen ($1.06 €0.78) at a 100 yen shop. I use them as school indoor shoes when I visit the high school where my kids go to.