From Hgames Wiki
all characters are at least 18
- 犬塚 七生 (いぬづか ななお, Inuzuka Nanao)
- Not voiced
- Put in charge of the villa.
- Childhood friend of the sisters, but hasn't seen them in a few years.
- 夕凪 那ノ羽 (ゆうなぎ なのは, Yūnagi Nanoha)
- Voiced by: Kusayanagi Junko (草柳順子)
- Mature elder sister.
- Older than main character.
- Average breast size.
Second Oldest Sister
- 夕凪 乃亜 (ゆうなぎ のあ, Yūnagi Noa)
- Voiced by: Aoba Ringo (青葉りんご)
- Full of pride and selfish tsundere sister.
- Cannot be frank and unintentionally ends up acting brave.
- Likes classic music and is seeking the way of the musicians. Moreover, her skills are catastrophic at anything but music.
- Although strong-willed, she is clumsy and is easily brought to tears.
- Same age as main character.
- Small breast size.
- 夕凪 八雲 (ゆうなぎ やくも, Yūnagi Yakumo)
- Voiced by: Oukawa Mio (桜川未央)
- Quiet/gentle sister, yandere.
- Younger than main character.
- Large breast size.