How to reroll in Seven Mortal Sins X-tasy? And also the Tier List?

Seven Mortal Sins X-Tasy just got released today. And it is an RPG Mobile Game, a turn-based RPG to be exact. So, there will be gacha for the characters as always. Anyway, what to do first before we reroll our progress? Please follow the steps below. Log-in using Guest Account Play tutorials Get all rewards from mails, events, etc.  Gacha Back to title screen Switch Guest Account If this way doesn't work anymore, try the this guide below. Log-in using Guest Account Complete All Tutorials (you can complete stages for more gacha currency) Take all the rewards from mailbox, event, etc Gacha (if you want to reroll, proceed) Clear Game's Data Log-in using Guest Account again Repeat the tutorials To be honest you can just keep on gacha until you get what you want as far as I remembered for the first gacha. But in case, it doesn't work again, please use the reroll guide. Since it is easy to do and the tutorials don't take too much time to finish. Which characters should I get ...