I can code magic spells

Raul gets a System that allows him to manipulate spells by coding. This happens after he died in his old life and got reincarnated into a new world where magic was the norm. With the new world facing a powerful looming threat, it is up to Raul to save the day. Good thing he has a beautiful elf on his side and some other capable women as allies. Expect : Weak to strong Small Harem. Follow Mc from childhood to adulthood. Slice of Life Isekai.