Hikarigaoka Island

Brief cut scene of Hikarigaoka Island during the opening

Hikarigaoka Island is the first island in the game and it serves as a main hub for the Planetokio Defense Force. It is one of the three islands which is called the Nerima Ward. The main shop for the Chinese restaurant, Rai Rai Ken is located here, its refrigerator inside serves as the entrance to Dr. Hokin's Laboratory. It is unknown if Naomi and Dr. Campbell's shop, Uomasa fish shop 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