Gakuen Tengoku(school heaven) http://www.youtube.com/watch?v=37t_HSg4GDg

Remake of 1970-s finger 5 version by Koizumi Kyoko 小泉 今日子(Small spring today paper!) hahaz..

Shingo mama also sang one with different lyrics. Cute la!

http://www.dailymotion.com/relevance/search/shingo+mama+gakuen+tengoku/video/168581