Tags: Slow burn, lighthearted, not a power fantasy, one man and two women
(The protagonist transforms at the end of Chapter 2.)
Eli Irwin was an ordinary high school student on Blue Star in his previous life. After being sent flying by the great fortune that had whisked away countless transmigrators before him, he transmigrated to another world too.
This was a world of magic, where mages could do many things ordinary people couldn't. But Eli discovered that he seemed to have no magical abilities at all... until a gemstone he found changed everything.
But the price of gaining magical powers... why do I have to turn into a catgirl?!
Years later, someone interviews the only Archmage to have saved the world:
Interviewer: "What are your thoughts, Miss Archmage?"
Catgirl Archmage: "I'd say that when people pursue something, they often have to give something up. So turning into a catgirl is perfectly normal, meow..."