Youkai Watch Jam: Youkai Gakuen Y - N to no Souguu

Synopsis (en anglais)

The super elite school Y Academy is shrouded in many mysteries. The ‘YSP Club’ tackles those very mysteries. And not just that, they can also transform into 'Yo-kai Heroes’. They are entrusted with the mission of solving the greatest mysteries in Yo-kai history. An overly powerful student council, a ruthless disciplinary committee, and even an alien invasion. What awaits Jinpei, and the other 'YSP Club’ members? A bright future? Or perhaps...Sudden gag overload. Touching developments that’ll move you to tears. A completely new experience is waiting for you. Unravel the biggest mystery of the Y Academy...no, the entire world. (Source: Yokai Watch Wiki)