KY (ケイワイ Kei Wai?) is a character in Majisuka Gakuen 4 and 5. She was a student of Gekioko Koko, and a top member of Antonio's Nursing Department.
Her name was given to her due to her inability to read the atmosphere around her (空気よめない Kuuki Yomenai?). She likes her seniors Antonio and Coby, but regularly get hits by the two.
Majisuka Gakuen 4[]
Majisuka Gakuen 4 Gaiden[]
Serious Gekioko Infiltration![]
KY, along with Zakoboss and Tsurishi, infiltrated Majisuka Jyogakuen by wearing the school's Seifuku. While they wait for their target Team Hinabe to arrive, they discussed on each of their battle abilities. As the day passed, they began to notice the unusual absence of students, comparing it to what KY would usually encounter on her solo infiltration missions, The trio then suddenly heard footprints, expecting to see "any" Majijo student, but turned out to be the school's janitor, curious to find any student in the school on one of Majijo's School Holidays.
Majisuka Gakuen 5[]
 Gekioko Koko
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|---|---|
| Kango-ka | Antonio | Coby Tsurishi | KY | Zakoboss Demekin | Red |