Maryoku 0 demo Majutsugurui Datta node, Daini no Jinsei dewa Musou suru: Ore dake Shitteiru Majutsu Chishiki de Kyokudai Mahou wo Buppanasu

There once was a man who, despite having no mana, was captivated by magic and dedicated his entire life to its study. His story, unable to abandon his desperate wish to use magic, takes a dramatic turn when he's reincarnated into the body of Filio, a boy who died mysteriously by suicide! Together with his first friends at the magic academy and a beautiful teacher, he overcomes one disaster and crisis after another with overwhelming magic! The ultimate magical domination by a former zero-mana genius who’s finally obtained mana begins here! (Source: Starts Shuppan, translated)