Mayl Sakurai

Mayl Sakurai (pronunced mail according to the anime), known as Meiru Sakurai (桜井メイル) in Japan and Maylu Sakurai in English anime and manga, is Roll.EXE's operator. She is a friend and classmate of Lan's. They have feelings for each other, but Lan didn't admit it until the end of MegaMan Battle Network 6, where in the epilogue it is revealed that 20 years later the two are married and have a son named Patch Hikari.