A compassionate girl enrolls herself in the Asticassia School of Technology in Planet Mercury that is run by the Beneritt Group that creates robotic mobile suits.

Middle-aged businessman Ryoma is reincarnated in a magical world by three gods. He's a child again, and he spends his days with his tamed slimes.

A chronic gamer abysmally inept in academics and sports finally meets his match at his usual shady arcade -- and it’s his rich classmate, Akira.