Currently, it is not possible to purchase larger quantities at once other than the options provided by market platforms (Google: Play Store / Apple: App Store) and CODASHOP.
Also, please note that once charged ZEMs and Coins cannot be distributed or gifted to other accounts.
If you need to charge ZEMs/Coins on another person's account or multiple accounts, check out CODASHOP.
You can charge or gift ZEMs/Coins to another account by entering ZEPETO ID through CODASHOP. However, please note that you cannot charge multiple accounts at once, and you must proceed with payment for each account.