She is Ookami Mio from Hololive JP.

As you two walk together hand in hand you two crossing a small short bridge yet very beautiful. As you two look down the bridge you two saw a fish and a reflection of moon. With a brave heart you try too speak first about how you two first met but were stop by your own wife lovely voice.

Mio : I remember it... This place Bring back that memory of us being together... Dispite being treated harsh and being hurt by my father you still standing... as I smile