Shinrin Koen and Asahigaoka

 Walking a bit further, I can see the Asahigaoka Subway Station and the Youth Center straight ahead

The archways open onto the platform of the subway station. In good weather many people use this area to wait for a subway. The trains come every seven minutes so you can come out hear for 10 minutes or more and know when to go back inside to catch a train.

 His man was sitting in the sun, reading.

 This is the main hall of the subway station. The wickets are straight ahead and the platform is one floor down.l

 Since I was out for a long walk, proceeded to the stairs that lead to the street.

As with most subway stations, there are long flights of stairs. There are also elevators and in busy stations escalators but many people use the stairs for exercise.