The male main character, aged 19, who works as a Raider exploring the Alterworlds. After losing his family at a young age, he has since been living with Iris. He's quiet and his honest personality makes him seem unfriendly but deep down is kind and sensible at heart. He is also revealed to have romantic feelings for Iris.
Source: Wikipedia, "[en.wikipedia.org/wiki/Atelier_Iris_3%3A_Grand_Phantasm%23Characters Atelier Iris 3: Grand Phantasm]", available under the CC-BY-SA License.