Hello Kitty to Issho
English name: Growing Up With Hello Kitty
Genres: Comedy, Slice of Life
Type: OVA, Episodes: 16
Aired: Feb 21, 1994 to Oct 21, 1998
Source: Unknown
Rating: G - All Ages
Synopsis:
Hello Kitty and her twin sister Mimmy learn to share, eat their vegetables, sleeping by themselves, answer the phone, use proper table manners, and much more. 

(Source:  AnimEigo)