From an overseas customer "There are so many versions, it's hard to understand. We have received a comment from an overseas customer who said, "There are several versions, so I don't understand them. I will give you the details below. 

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Guardian Goddess -Usual version- (English translation by @vnka_world) 

Price: Free 

This is the normal version with the mask of the main character. (with R15 elements) 

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SEKIMORIGAMI -SAKURABITO- Version

Price: Free 

This is a version with face graphic of the main character girl. 

R15 elements are more male oriented than the normal version. 

Release is scheduled soon. 

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SEKIMORIGAMI - SAIEN - (Nintendo Switch version) 

English, Chinese and Japanese language support. 

Price: Paid Nintendo Switch version. 

All ages specification. 

The ending and CG with R15 elements have been 

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SEKIMORIGAMI - SAIEN - (PC version) 

English, Chinese, and Japanese are supported. 

Price: Paid 

The regular version and Sakurabito version are combined into one game, The later story and Tsukiomi's route are added. 

There are R15 elements. 

These are the differences between each product of Sekisujin. 

We also plan to release a PS5 version (same content as Switch) if the application is approved in the future.