You need an embassy visa for Japan if you have a Chinese passport
Visa options for Japan (2)
Electronic visitor visa may be available for Tourism
Travellers need a visa to visit Japan for Tourism. A Japanese eVisa is the fastest and easiest way of obtaining a visa for Japan because travellers can submit their applications and supporting documents online. Once the application is approved, travellers receive their eVisa confirmation electronically. Travellers can apply if they are residents of mainland China or residents in the following countries and regions: Australia, Brazil, Cambodia, Canada, India, Mongolia, Saudi Arabia, Singapore, South Africa, Taiwan, United Arab Emirates, United Kingdom, and the United States of America. Different application pathways depending on the country or region the traveller is applying from. See the source for more details.
This is not offered by sherpa°.
Apply on the government site.
Visitor visa
Travellers need a visa to visit Japan for Business or Tourism. A paper or embassy visa is the only visa available for travellers visiting Japan. The visa is typically a stamp or sticker added to the passport. Travellers must obtain this visa from a local embassy, consulate, or visa center before travelling.
This is not offered by sherpa°.
Apply on the government site.
