Asuka Suga

Asuka Suga (須賀 明日花) previously Mamiya (間宮) is wife of Keisuke Suga and the mother of Moka Suga.

Background
Asuka met Suga when he ran away to Tokyo. They married and gave birth to Moka on March 3, 2016. She died in an accident a few years before the events of Tenki no ko.

Trivia

 * Her given name has a different kanji writing in the novel: 明日香.