How to apply? Hello sir or Madam i wanna apply for japan tourism visa

Andres, you need to prepare those required documents including your passport the application form affixed with a photo, as well as round trip tickets (air or ship), proof of financial support such as income certificate or tax declaration certificate, and your travel itinerary such as hotel booking record. Afterwards, find a travel agency designated by the embassy of Japan to apply for it for you. You can find any of the following agencies: Guangdong Foreign Affairs Service Center and Shenzhen Foreign Affairs Service Center.