Kenko Tsukino

Kenko Tsukino (月野 けんこ) is a minor character in Puella Magi Mary Sue Magica, whose story was told in a one-shot Halloween spin-off.

Puella Magi ☆ Kenko Magica
Her backstory is explained here, from when she first made the contract up until her death after becoming Nellie.

Puella Magi ☆ Mary Sue Magica
She and Nellie had indirect mentions in Chapter 2 and 5 respectively before appearing in a flashback in Chapter 11.

Etymology

 * Her name in kanji can be interpreted as 健康, the Japanese word for "healthy". Her surname means "moon field". The moon is often associated with madness, hence the word lunacy.
 * It is also the surname of Usagi, the protagonist in Sailor Moon

Fun Facts

 * I chose red because of it's association with medicine (such as the red cross) and because purple on this Wiki was too hard to see. Even though I didn't think of her looks until writing this page.