When they do, Rosa burns the blackmail and tells the party to get out of her house. When they do, she almost immediately asks them to give it to her to they can have Pessi's thing. They go back to Shady Mole, who gives them some literal blackmail which supposedly 'contains details of Rosa's dark past.', and instructs the children to show it to Rosa. When confronted about this in her house, Rosa once again refuses to give Pessi's thing to the children. Later on, Omori and friends would learn from Shady Mole that Rosa had stolen something of value from Pessi, another fan of Sweetheart. Unfortunately for her, the cell door was left unlocked, allowing the children to escape the dungeon. Being satisfied with the party's situation, Rosa walks away. While the children are in their cell, the Sprout Mole who sent Hero onto the stage shows up again, revealing themselves to actually be Rosa, who truly did follow through on her vow. Later on, Hero is taken onto Sweetheart's stage to replace one of the contestants of Sweetheart's Quest for Hearts who died during the previous power outage, this eventually leads to Hero rejecting Sweetheart, causing him and the others to be sent to Sweetheart's personal dungeon. After they defeat it, they take the special mixtape from Rosa, who vows to take revenge. Though, they find that she won't respond to them, seemingly frozen in place by a monster that the children end up fighting. The children chase her all over the Junkyard, eventually catching up to her. When the party requests and eventually threatens Rosa into giving the mixtape to them, she runs off, revealing herself to be quite fast. She ends up finding the special mixtape, revealing afterwards that she too was looking for the mixtape, attempting to add it to an unknown collection. Spaceboy's special mixtape in Otherworld's Junkyard, they come across Rosa digging through the garbage. All orders are custom made and most ship worldwide within 24 hours. T-shirts, posters, stickers, home decor, and more, designed and sold by independent artists around the world. While Omori and his friends are searching for Capt. High quality Omori Sweetheart-inspired gifts and merchandise.

Though mostly identical to any other Sprout Mole, Rosa has a pink bow where two leaves would normally be.

She is one of the many fans of Sweetheart who claims to be the '#1 Sweetheart fan in the world'. Obssessed Monster Rosa is a minor antagonist in Omori.

Sweetheart omori