I get from it:
Recipe from ( 5 个不失败甜点方程式，by上田悦子）
200gm cake flour
1tsp baking powder
1 1/2 tsp baking soda
150gm sugar ( can be reduced to 120)
200g original flavor yogurt
some rasins (I omitted this and replaced with the fruits at the top)
100gm unsalted butter (melted @40-45c)
1) Grease tin, lay layer of baking paper at base. Toss with flour and remove excess flour
2) mix egg & yogurt
3) add sugar, flour (sieved with BP & BS), add raisins and mix.
4) add melted butter and blend with hand whisk
5) ready to bake
* Her original recipe uses 2 nos of 14 x 23cm tin which yield very tin layer of cake. She baked at 180c & baked for 4~5mins till top turn golden brown. Covered with foil and baked for another 2mins. Cut into 8 equal slices and each slice 148kcal.