Tokyo Pig

Tokyo Pig (はれときどきぶた Hare Tokidoki Buta) is a Japanese anime series based on the picture book series, Fair, then Partly Piggy written by Shiro Yadama. The anime was created by Group TAC and it aired on TV Tokyo from July 3, 1997 to September 29, 1998, while dubbed in English by Miramax Television and Buena Vista Sound Services. A 30-minute animated Movie was created by Oh! Production and Gakken and released on August 23, 1988.

Plot
Noriyasu Hatakeyama is a regular grade-schooler who owns a magical diary written with "tomorrow's" journal entries which actually comes to life. After drawing millions of pig flying, one stays with him as his loyal and amazing pet, Harebuta. Their everydays become their most wackiest adventures from that moment on.