Belladonna no Koibito

For everyone who has ever had their heart ache from love Bella is cursed with a poison that takes the life of anyone she touches. The only way to break the curse is to be given "true love"── At some point, Bella was rumored to be the "poison witch" and lived alone in the forest, but one day, she met Anna, an unsuccessful artist... (from: https://www.amazon.co.jp/%E3%83%99%E3%83%A9%E3%83%89%E3%83%B3%E3%83%8A%E3%81%AE%E6%81%8B%E4%BA%BA-%E3%83%93%E3%83%83%E3%82%B0%E3%82%B3%E3%83%9F%E3%83%83%E3%82%AF%E3%82%B9-%E3%82%8B%E3%81%851mm/dp/4098632594)