A young girl with a light, carefree personality who stays over at Shoushinji, the location of the training camp. She arrives there earlier than Syouko and the others. At first glance, Syouko is captivated by Migiwa's beauty and fashionable clothing. However, once Migiwa shows her arrogance, Syouko quickly disbands that thought and categorizes Migiwa as one of those 'hard-to-deal-with' girls.
Her seiyuu is Fujimura Ayumi in the Aoi Shiro visual novel game and drama CDs.