Tokiko Mega (妻鹿年季子) is a Japanese screenwriter. She and her husband Tsutomu Izumi (和泉務) began writing under the joint pen name Izumi Kizara (木皿泉) in 2003. In 2013, they collaborated on their first novel, Last Night’s Curry, Tomorrow’s Bread (昨夜のカレー、明日のパン). She previously wrote scripts for radio plays.