Hi @apinardo! I wanted to know if adding the Japan region for this title is possible. I will submit a run for the Japanese version, not the Korean one. Thank you so much for your time and consideration!

I add the region but I would like to know if it has any difference with the others

if you pass it to me to try better

This title was only released in Japan and North America, so there is no Korean language support (unless there is a fan translation I'm unaware of). Banpresto has the publishing rights to publish this title in Japan only. The sequel, however, Chō Jikū Yōsai Macross II/Super Spacefortess Macross II, has Korean language support (not sure if it's fan translation or official localization). I will be playing the sequel as well. I hope this helps @apinardo_!