Bing found the following results
Share house GG House Management:Japan property:Cheap rooms
Nippori office | Share house GG House Management
Tenant-only page | Share house GG House Management
Has anyone used GGhouse? : r/movingtojapan - Reddit
A Guide To Share House-hunting in Tokyo | Tokyo Weekender
GG House Management Inc.:TOKYO SHAREHOUSE
Opinions on GGHouse : r/movingtojapan - Reddit
Experience with GG House : r/movingtojapan - Reddit
GGhouse Tokyo - YouTube
Gg's House