As far as a can remember, this shrine is dedicated to safe child birth. Therefore you will see many couples there without child praying for a safe birth and couples with newborns or toddlers thanking for a safe birth. -- If you take pictures pictures, please be respectful and discrete to the families, they are not part of a tourist attraction.
The Shrine is one of the seven lucky shrines of Nihonbashi area that is dedicted to one of the 7 deities of fortune. Visiting alle the seven shrines is like a scavenger hunt, because the other six are very tiny.
In April 2018 the wood of the shrine looked very new. It will turn darker with time. Therefore the actual look will fade with time.