Fix Kouhai Scanlations (#9352)

src/en/kouhaiwork/build.gradle

@@ -6,7 +6,7 @@ ext {
     extName = 'Kouhai Scanlations'
     pkgNameSuffix = 'en.kouhaiwork'
     extClass = '.KouhaiWork'
-    extVersionCode = 1
+    extVersionCode = 2
 }
 
 apply from: "$rootDir/common.gradle"

src/en/kouhaiwork/src/eu/kanade/tachiyomi/extension/en/kouhaiwork/KouhaiModels.kt

@@ -9,9 +9,9 @@ data class KouhaiSeries(
     val cover: String,
     val synopsis: String,
     val status: String,
-    val artists: List<String>,
-    val authors: List<String>,
     val alternative_titles: List<String>,
+    val artists: List<String>? = null,
+    val authors: List<String>? = null,
     val genres: List<String>? = null,
     val themes: List<String>? = null,
     val demographics: List<String>? = null,

src/en/kouhaiwork/src/eu/kanade/tachiyomi/extension/en/kouhaiwork/KouhaiWork.kt

@@ -66,9 +66,13 @@ class KouhaiWork : HttpSource() {
     override fun fetchMangaDetails(manga: SManga) =
         client.newCall(chapterListRequest(manga)).asObservableSuccess().map {
             val series = it.data<KouhaiSeries>()
-            manga.description = series.synopsis
-            manga.author = series.authors.joinToString()
-            manga.artist = series.artists.joinToString()
+            manga.description = buildString {
+                append(series.synopsis)
+                append("\n\nAlternative Names:\n")
+                series.alternative_titles.joinTo(this, "\n")
+            }
+            manga.author = series.authors?.joinToString()
+            manga.artist = series.artists?.joinToString()
             manga.genre = series.genres.orEmpty()
                 .plus(series.themes.orEmpty())
                 .plus(series.demographics.orEmpty())