Hikarigaoka Island

Brief cut scene of Hikarigaoka Island during the opening

Hikarigaoka Island is the first island in Tokyo Wakusei Planetokio. It is notable for containing the secret headquarters of the Planetokio Defense Force within a refrigerator at the Rairai Ken ramen restaurant. It is one of the three islands under the Nerima Ward. It is unknown if Uomasa Fishmongers is located here.

Main plot point

ShowPlanetokio Locations
Chapter 1	Akihabara Island
Chapter 2	Shibuya Island
Chapter 3	Asakusa Island
Chapter 4	Ueno Island
Chapter 5	Ryogoku Island
Chapter 6	Haneda Airport Island • Marunouchi Island • Shinjuku Island • Roppongi Island
Chapter 7	Kenkou-Land
All Chapters	Hikarigaoka Island • Rai Rai Ken • Pai Pai Clinic • One-Seven