Characters will randomly spawn when people are talking, be sure to be the first to find the character's name and get it!
Send your characters to other worlds, and come back after a certain duration to check if your character successfully did his/her mission.If your character won he will get exp and you will get some isekai fuel to be able to summon. So be sure to send your characters to other worlds!
Customize your profile by changing your favorite character, even its image and changing your profile's border color.
Trade your characters with other users and try to get all the characters from an anime/manga.
Fight against other users, and bet on the fight. The winner will get everything!