Dear Flowers That Bloom in Days of Yore by Igarashi Jun — Ongoing

Also known as Haikei, Arishi Hi ni Saku Hanatachi e and AriSaku

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Kasumi, an earnest girl enrolled at a prestigious girls academy, discovers a letter hidden beneath the cover of a book in the library. An invitation to a special relationship, like the ones depicted in the book...
From the talented Igarashi Jun, a story of love, history, and girls enchanted by 'Class S'.

Volume 1
Chapter 1 released Jul 13 '25
Chapter 2 released Jul 13 '25
Chapter 3 released Jul 16 '25
Chapter 4 released Jul 18 '25 Aaaaaangst Suicide
Chapter 5 released Jul 21 '25
Volume 2
Chapter 6 released Jul 31 '25
Chapter 7 released Aug 5 '25
Chapter 8 released Aug 12 '25
Chapter 9 released Aug 19 '25
Chapter 10 released Aug 29 '25 Abuse Violence Yandere