Well, I'm so glad you posted this web version to try, except—
"No cards pack installed.
Reinstall the game, or put a .wepack file in the packs folder."
—it is literally unplayable. Boots up, loads that message, locks you out. ¯\_(ツ)_/¯
Viewing post in Why I spent weeks building web version comments
Hey! Thank you very much for the report! Please read this dev post https://unirion.itch.io/waifu-elements/devlog/1663343/urgent-web-version-issue-mobile