Welcome
SNS 他
https://www.youtube.com/channel/UCgQY4nopU8qm-3COQJAi39Q?view_as=subscriber
https://www.facebook.com/sugiyama.ryuji.1
https://8card.net/p/39660665743
https://saveig.org/sugiyama.ryuji.1/
杉山竜治 検索
ID:sugiyama.ryuji.1
https://twitter.com/ryu527aapa
https://www.joinclubhouse.com/@ryu527aapa
https://stand.fm/channels/604dac46e6747bcbc8c34aef