BSSM World: Happy Chibiusa, Study! - Playstation

Developer: Bandai, released 2001.

This is an edutainment game for the Playstation aimed at very young audiences. Its main goal is to teach hiragana to small children and provide other fun activities like coloring and match games. It is marketed under the "Kidstation" banner.

If you are interested in buying this game, try this link.