I mean, yeah, I can see why readers outside Indonesia would be confused and pronounce “Cahaya” as “Kahaya.” But the correct spelling really is Cahaya, and it’s pronounced “ca-ha-ya.”
“Cha Haya” also sounds a bit strange to Indonesian ears. So I kinda wonder why they didn’t just write it as “Cahaya” even if the Hangul uses “cha,” and then explain that it’s still pronounced the same as the Indonesian “ca.”
Well… I guess we’ll just have to wait for the official translation.
kalau aku sih baca official novel di manta emang pake cahaya. mungkin kenapa di hangul jadi chahaya karna korea ga punya huruf latin yang membedakan konsep ejaan indonesia c = /tʃ/ dari ch. jadi cahaya. jadi pasti ketulisnya Chahaya. dan lagi kan ada jaketnya ditulis cahaya juga di gambarnya. tp harusnya sih ngeh apa dari chapter 1 cahaya dianggap alien karna dari nama dan latar belakang dia dirasa aneh kek alien

His name is cahaya not cha haya...
Cahaya means "light" and matahari means "sun".