The Man Given "Slow Magic" will become Unparalleled with the Gravity Magic is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Wade, born in the slums and raised by an alcoholic father, had only one way to live a decent life: to acquire magic and become an adventurer. After enduring rigorous training, he was finally granted magic as an apprentice adventurer. However, the magic he inherited was a dud—a gravity magic that only made him heavier. All his hard work seemed to go to waste because of this single spell. "Magic gacha is way too cruel... Wait, what even is 'gacha'?" Overwhelmed by the shock, Wade suddenly recalled memories of his past life as an overworked office drone. "…Huh? They called it useless magic, but isn’t gravity magic actually a cheat-tier power?" Exactly! In this underdeveloped world, the concept of gravity was hardly understood! Though mocked as the "slowpoke mage," Wade made a firm decision to embrace and master his gravity magic, which seemed to only weigh him down.