Isamu Kamikokuryo, who worked as an art director on several Final Fantasy titles, has left Square Enix, he announced on Twitter.

“Yesterday, March 31, I resigned from Square Enix,” Kamikokuryo said in a tweet. “It’s been a little over 18 years since I joined the company in 1999. It was a wonderful experience, from when I started with doing concept art for Final Fantasy X up until Final Fantasy XV. I am fully grateful to the company for giving me the opportunity to meet with so many people and demonstrate my talents.”

He continued in a second tweet, “I have a feeling of painful reluctance, but I would like to face drawing something new from here on. In the future, I would like to revive my writing activity while doing freelance art and diction work. To the staff and fans who supported my drawings for such a long time, thank you very much.”

Kamikokuryo’s works at Square Enix include the following:

• Final Fantasy X (PS2, 2001) – Gadget art designer, background art director
• Final Fantasy XII (PS2, 2006) – Art direction
• Final Fantasy XII: Revenant Wings (DS, 2007) – Art supervisor
• Final Fantasy XII International Zodiac Job System (PS2, 2007) – Art direction
• Final Fantasy XIII (PS3, 360, 2009) – Art director
• The 3rd Birthday (PSP, 2010) – Art director
• Final Fantasy XIII-2 (PS3, 360, 2011) – Art director, character designer
• Lightning Returns: Final Fantasy XIII (PS3, 360, 2013) – Art director
• Final Fantasy XV (PS4, Xbox One, 2016) – Art director