I am Cherche is a former vassal of House Virion from Rosanne, and the mother of Gerome and potentially Morgan. Her wyvern mount is named Minerva. Despite her domestic nature, she is surprisingly strong as she gained her vicious dragon mount by defeating her and surviving her fire breath, only getting a burn scar on her shoulder (a bald spot in the Japanese version) from the encounter. When she was only nine years old, though as her supports with Nowi show, Minerva was sick and thus weakened at the time. Her support with Gaius reveals that she detests fighting, but the only reason she does is so she can live to see her family again. it is revealed that Gregor betrayed a former employer of his in Wyvern Valley to save a then baby Minerva from being killed. In the A support conversation with Vaike, Cherche tells him that she found Minerva in Wyvern Valley as a child, and that she trained as a Cleric using a heavy staff and disciplined Minerva with the staff when she misbehaved.

Two years after the defeat of Gangrel, Walhart has all but completed his conquest of Valm and is preparing to invade Ferox. Chrom is summoned by Flavia to meet Virion, who delivers the news of the impending invasion. However due to his personality and lack of urgency, Cherche intervenes and quickly explains the situation to speed things up. At Port Ferox, Cherche joins the fray and decides to fight alongside Chrom's army.

After the war, should she remain unmarried, Cherche returns to Rosanne to reclaim the country that Virion lost. Cherche and Minerva were never seen apart. Cherche is a domestic woman raised on simple values who is good at cooking and sewing, in contrast to her vicious wyvern. This is because, despite being just a knight at first, Virion's particular fondness of her led to her duties being combined with those of a servant, with the pressure and suspicion of others forcing her to balance both her attitude and skills in the process.

Though disdainful of his behavior, Cherche's extremely loyal to Virion