Sorcerous Stabber Orphen: The Witch‘s Salvation is a Manga/Manhwa/Manhua in english language, manga 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

Orphen and his sister in law Azalie are genius sorcerers. They are both studying at [Tower of Fangs], a prestigious training school for sorcerers. One day Azalie performed a forbidden ritual, transformed into a terrifying monster, and disapeared from [the Tower of Fangs]. Orphen left [the Tower of Fangs] which tried to erase the existence of Azalie. Orphen sets on a journey to find Azalie