The actress name is Ayane Asakura.
See her movies list in Javlibrary > https://www.javlibrary.com/en/vl_star.php?s=pq5q
Ayane is so called "hafu" - her grandma was Russian.
This actor, playing son is/was in real life approximately same age as Ayane,
just short and boyish body type mature man...