"Yamata Amasung Keibu Keioiba" () is a Meitei language play that interweaves the stories of the two legendary creatures, Yamata-no-Orochi of Japanese mythology and Keibu Keioiba of Meitei mythology (Manipuri mythology). In the play, the role of Yamata-no-Orochi was played by "Maisnam Momocha".