Character
Koi Chigusa
千草 恋
Profile data: MyAnimeList (Tenrai) (opens in a new tab)
Biography
Futakoi:
Twins daughters of a veterinary doctor and in the story they help their father in the clinic. Nozomu meets them when he takes Billy to the vet clinic after he ate a fax addressed to Nozomu which got it stuck in his throat.
Futakoi Alternative:
Koi Chigusa is the twin sister of Ui Chigusa.
(Source: Wikipedia)
Source: MyAnimeList (Tenrai) (opens in a new tab) · updated
