Challenge 1-nensei de Kakkoii 1-nensei ni Henshin!
Challenge Ichinensei de Kakkoii Ichinensei ni Henshin! ／ Question Fairy ／ チャレンジ1年生でかっこいい1年生にへんしん! ／ チャレンジ1年生でかっこいい1年生にへんしん!DVD
Description
An OVA made to promote the Shinkenzemi elementary school course. This was widely distributed throughout Japan as direct mail. Despite it's target demographic of kindergardeners, a large number of Hatena Yousei fans emerged in the online community, making her a popular character amongst fans of MOE characters.