Nothing more about Dahlia will be told.
Dahlia (OG) - Clone of some character with Kanzaki surname, dies in 1975. Stays in the glass chamber until Masuo revives her.
Dahlia (Clone 1) - One with marking (I-1975). Gives birth to Reiko and her sibling. She is the one you see in Masuo's phone gallery. She is murdered by Dr. Tsuchida and stays in glass chamber until Taichi revives her in original LSH.
Dahlia (Clone 2) - Dr. Takemoto likes Dahlia. Tries to revive her but fails and creates a clone (II-1986) instead. Is mother to Kurumi. Sees his daughter inhuman feats and began experimenting.