Shioka Kito
AKA: 木藤潮香Shioka Kitō (木藤 潮香, Kitō Shioka) is the mother of Aya Kitō. She wrote a book after Aya's passing, named Hurdles of Life, to recall Aya's struggles from her own perspective. A film titled 1 Litre of Tears was adapted after the original Aya's diary and Shioka's book.