Kaigo Robo ni Isan Souzoku 5 Chouen

5 / The Robot Who Inherited Trillions Gentoku, the head of the AI conglomerate Dennoin family, has passed away.His three children watch with bated breath to see what becomes of their father's vast fortune.However, the heir named in the will turns out to be, of all things, a care robot named Loppy?!(Source: MangaPlus)