Títulos Alternativos: DE: Der Schwur am See | US: A Promise by the Lake | ES: «Una promesa junto al lago» | FR: Le serment du lac | IT: Una promessa sul lago | JP: 湖の誓い | KR: 호수의 맹세 | BR: Uma promessa no lago | CN: 湖边的誓言 | TW: 湖邊的誓言 | TH: ทะเลสาบแห่งคำสาบาน | MAL: Tsuki to Laika to Nosferatu | ALT: Moon | ALT: Laika | ALT: and the Bloodsucking Princess | JA: 月とライカと吸血姫 | EN: Irina: The Vampire Cosmonaut