Hiza no ue no partner - Kitty on your lap [Mouichido Kimi ni Eitai...Loved Series Vol. 3] Japan

Hiza no ue no Partner - Kitty on Your Lap is a simulation game in which the player controls a first year college student that find 3 little cats in a box and he choose one of them to live with him. The next morning when he wakes up he discover that the cat had transformed into a little cat girl.