Sawako Honna, 42, single; she works hard at a film promotion company. One night, all of a sudden, her heart palpitates, and her body goes cold... Could it be that she's going through menopause!? Not as hard-working as in your 20s. Not as flippant as in your 30s. The mental and physical changes, and the obstacles you face in your 40s. Sudden illness, menopause, fatigue you can't get rid of, changes in working patterns, money worries, life plans for the future... "What will happen to me tomorrow?" (Source: Tokyopop)

Ashita Shinu ni wa, ranked third in the for the female readers category, and was nominated for the 2020 Manga Taisho Award. It won the Excellence Award at the 23rd Japan Media Arts Festival in 2020. The series was published digitally in English as Since I Could Die Tomorrow, by Tokyopop from November 30, 2023 to April 18, 2024, and in print from February 6, 2024 to August 6, 2024.