diff --git a/src/fr/poseidonscans/build.gradle b/src/fr/poseidonscans/build.gradle
index 004f8f775..6e53ab56a 100644
--- a/src/fr/poseidonscans/build.gradle
+++ b/src/fr/poseidonscans/build.gradle
@@ -1,7 +1,7 @@
 ext {
     extName = 'Poseidon Scans'
     extClass = '.PoseidonScans'
-    extVersionCode = 45
+    extVersionCode = 46
     isNsfw = false
 }
 
diff --git a/src/fr/poseidonscans/src/eu/kanade/tachiyomi/extension/fr/poseidonscans/PoseidonScans.kt b/src/fr/poseidonscans/src/eu/kanade/tachiyomi/extension/fr/poseidonscans/PoseidonScans.kt
index 990f85388..86ba975e9 100644
--- a/src/fr/poseidonscans/src/eu/kanade/tachiyomi/extension/fr/poseidonscans/PoseidonScans.kt
+++ b/src/fr/poseidonscans/src/eu/kanade/tachiyomi/extension/fr/poseidonscans/PoseidonScans.kt
@@ -388,11 +388,35 @@ class PoseidonScans : HttpSource() {
         }
 
         return mangaDto.chapters
-            ?.filter { it.isPremium != true }
             ?.mapNotNull { ch ->
+                // If chapter is premium, check if premium period has expired
+                if (ch.isPremium == true) {
+                    ch.premiumUntil?.let { premiumUntilString ->
+                        val premiumUntilDate = parseIsoDate(premiumUntilString)
+                        if (premiumUntilDate > 0) {
+                            // Exclude if premium period is still active
+                            if (System.currentTimeMillis() <= premiumUntilDate) {
+                                return@mapNotNull null
+                            }
+                        } else {
+                            // If we can't parse the premium until date, exclude the chapter for safety
+                            return@mapNotNull null
+                        }
+                    } ?: return@mapNotNull null // If premiumUntil is null but isPremium is true, exclude
+                }
                 val chapterNumberString = ch.number.toString().removeSuffix(".0")
                 SChapter.create().apply {
-                    val baseName = "Chapitre $chapterNumberString"
+                    val isVolume = ch.isVolume == true || (
+                        ch.number == ch.number.toInt().toFloat() &&
+                            ch.title?.lowercase()?.contains("volume") == true
+                        )
+
+                    val baseName = if (isVolume) {
+                        "Volume $chapterNumberString"
+                    } else {
+                        "Chapitre $chapterNumberString"
+                    }
+
                     name = ch.title?.trim()?.takeIf { it.isNotBlank() }
                         ?.let { title -> "$baseName - $title" }
                         ?: baseName
diff --git a/src/fr/poseidonscans/src/eu/kanade/tachiyomi/extension/fr/poseidonscans/PoseidonScansDto.kt b/src/fr/poseidonscans/src/eu/kanade/tachiyomi/extension/fr/poseidonscans/PoseidonScansDto.kt
index 3576979c1..d8300afc1 100644
--- a/src/fr/poseidonscans/src/eu/kanade/tachiyomi/extension/fr/poseidonscans/PoseidonScansDto.kt
+++ b/src/fr/poseidonscans/src/eu/kanade/tachiyomi/extension/fr/poseidonscans/PoseidonScansDto.kt
@@ -41,6 +41,8 @@ class ChapterData(
     val title: String? = null,
     val createdAt: String,
     val isPremium: Boolean? = false,
+    val premiumUntil: String? = null,
+    val isVolume: Boolean? = false,
 )
 
 @Serializable