Sanrio characters aren't all peaceful and adorable, and Retsuko is a shining example of this. Sometimes known as Aggretusko, this newer Sanrio character has quite a temper, so it only makes sense that he is found on Mount Hothead in Hello Kitty Island Adventure.

Retsuko is one of the iconic characters from the Hello Kitty franchise whom we have seen in many spin-offs and original shows, and guess what? She has even made her way to Sunblink's latest cozy adventure game,

To get Ingot, Hello Kitty Island Adventure players have three options: find Chests, complete minigames, or craft Ingots.