Undine - Monster Girl Encyclopedia (MGE)

Undine Atenai / Mikene / Delphoi / Icasha / Tilasha (Summoners War) - Illustrious

Undine (ウンディーネ) / Suu's Mother (スー母) - Daily Life With A Monster Girl (Monster Musume no Iru Nichijō)

Undine (Kamihime Project)

Undine - Monster Rancher / Monster Farm [ Illustrious ]

Undine (Yggdra Union: We'll Never Fight Alone | Dept. Heaven)

Undine - Monster Girl Quest!/Monmusu Quest! - Illustrious

Nietzsche (Yggdra Union: We'll Never Fight Alone | Dept. Heaven)

Emelone (Yggdra Union: We'll Never Fight Alone | Dept. Heaven)

Ishiene (Yggdra Union: We'll Never Fight Alone | Dept. Heaven)