diff --git a/src/formats.c b/src/formats.c
index 84bb04cb..34b004df 100644
--- a/src/formats.c
+++ b/src/formats.c
@@ -523,6 +523,7 @@ static const char* extension_list[] = {
     "sps",
     "spsd",
     "spw",
+    "srsa",
     "ss2",
     "ssd", //txth/reserved [Zack & Wiki (Wii)]
     "ssm",
diff --git a/src/meta/ktsr.c b/src/meta/ktsr.c
index 0ef57293..bfed0804 100644
--- a/src/meta/ktsr.c
+++ b/src/meta/ktsr.c
@@ -7,6 +7,7 @@ typedef enum { NONE, MSADPCM, DSP, GCADPCM, ATRAC9, RIFF_ATRAC9, KOVS, KTSS, } k
 #define MAX_CHANNELS 8
 
 typedef struct {
+    bool is_srsa;
     int total_subsongs;
     int target_subsong;
     ktsr_codec codec;
@@ -31,12 +32,53 @@ typedef struct {
     char name[255+1];
 } ktsr_header;
 
+static VGMSTREAM* init_vgmstream_ktsr_internal(STREAMFILE* sf, bool is_srsa);
 static int parse_ktsr(ktsr_header* ktsr, STREAMFILE* sf);
 static layered_layout_data* build_layered_atrac9(ktsr_header* ktsr, STREAMFILE *sf, uint32_t config_data);
 static VGMSTREAM* init_vgmstream_ktsr_sub(STREAMFILE* sf_b, ktsr_header* ktsr, VGMSTREAM* (*init_vgmstream)(STREAMFILE* sf), const char* ext);
 
 /* KTSR - Koei Tecmo sound resource container */
 VGMSTREAM* init_vgmstream_ktsr(STREAMFILE* sf) {
+    return init_vgmstream_ktsr_internal(sf, false) ;
+}
+
+/* ASRS - container of KTSR found in newer games */
+VGMSTREAM* init_vgmstream_asrs(STREAMFILE* sf) {
+    VGMSTREAM* vgmstream = NULL;
+    STREAMFILE* temp_sf = NULL;
+
+    /* checks */
+    if (!is_id32be(0x00, sf, "ASRS"))
+        return NULL;
+    /* 0x04: null */
+    /* 0x08: file size */
+    /* 0x0c: null */
+
+    /* .srsa: header id (as generated by common tools) */
+    if (!check_extensions(sf, "srsa"))
+        return NULL;
+
+
+    /* mini-container of memory-KTSR (streams also have a "TSRS" for stream-KTSR).
+     * .srsa/srst usually have hashed filenames, so it isn't easy to match them, so this is mainly useful
+     * for .srsa with internal streams. */
+    uint32_t subfile_offset = 0x10;
+    uint32_t subfile_size = get_streamfile_size(sf) - subfile_offset;
+
+    /* use a subfile b/c it's a pain to change all the offsets below and it's also how engine would do it */
+    temp_sf = setup_subfile_streamfile(sf, subfile_offset,subfile_size, "ktsl2asbin");
+    if (!temp_sf) goto fail;
+
+    vgmstream = init_vgmstream_ktsr_internal(temp_sf, true);
+    close_streamfile(temp_sf);
+    return vgmstream;
+fail:
+    close_streamfile(temp_sf);
+    return NULL;
+}
+
+
+static VGMSTREAM* init_vgmstream_ktsr_internal(STREAMFILE* sf, bool is_srsa) {
     VGMSTREAM* vgmstream = NULL;
     STREAMFILE* sf_b = NULL;
     ktsr_header ktsr = {0};
@@ -46,20 +88,22 @@ VGMSTREAM* init_vgmstream_ktsr(STREAMFILE* sf) {
 
     /* checks */
     if (!is_id32be(0x00, sf, "KTSR"))
-        goto fail;
-    if (read_u32be(0x04, sf) != 0x777B481A) /* hash(?) id: 0x777B481A=as, 0x0294DDFC=st, 0xC638E69E=gc */
-        goto fail;
+        return NULL;
+    if (read_u32be(0x04, sf) != 0x777B481A) /* hash id: 0x777B481A=as, 0x0294DDFC=st, 0xC638E69E=gc */
+        return NULL;
+
     /* .ktsl2asbin: common [Atelier Ryza (PC/Switch), Nioh (PC)] 
      * .asbin: Warriors Orochi 4 (PC) */
     if (!check_extensions(sf, "ktsl2asbin,asbin"))
-        goto fail;
+        return NULL;
 
     /* KTSR can be a memory file (ktsl2asbin), streams (ktsl2stbin) and global config (ktsl2gcbin)
      * This accepts .ktsl2asbin with internal data or external streams as subsongs.
-     * Some info from KTSR.bt */
+     * Hashes are meant to be read LE, but here are BE for easier comparison. Some info from KTSR.bt */
 
     if (target_subsong == 0) target_subsong = 1;
     ktsr.target_subsong = target_subsong;
+    ktsr.is_srsa = is_srsa;
 
     if (!parse_ktsr(&ktsr, sf))
         goto fail;
@@ -67,6 +111,9 @@ VGMSTREAM* init_vgmstream_ktsr(STREAMFILE* sf) {
     /* open companion body */
     if (ktsr.is_external) {
         const char* companion_ext = check_extensions(sf, "asbin") ? "stbin" : "ktsl2stbin";
+        if (ktsr.is_srsa)
+            companion_ext = "srst";
+
         sf_b = open_streamfile_by_ext(sf, companion_ext);
         if (!sf_b) {
             vgm_logi("KTSR: companion file '*.%s' not found\n", companion_ext);
@@ -253,6 +300,7 @@ static int parse_codec(ktsr_header* ktsr) {
     /* platform + format to codec, simplified until more codec combos are found */
     switch(ktsr->platform) {
         case 0x01: /* PC */
+        case 0x05: /* PC/Steam [Fate/Samurai Remnant (PC)] */
             if (ktsr->is_external) {
                 if (ktsr->format == 0x0005)
                     ktsr->codec = KOVS; // Atelier Ryza (PC)
@@ -483,7 +531,7 @@ static int parse_ktsr(ktsr_header* ktsr, STREAMFILE* sf) {
      * 08: version?
      * 0a: unknown (usually 00, 02/03 seen in Vita)
      * 0b: platform (01=PC, 03=Vita, 04=Switch)
-     * 0c: game id?
+     * 0c: audio id? (seen in multiple files/games and used as Ogg stream IDs)
      * 10: null
      * 14: null
      * 18: file size
@@ -506,8 +554,8 @@ static int parse_ktsr(ktsr_header* ktsr, STREAMFILE* sf) {
 
         /* parse chunk-like subfiles, usually N configs then N songs */
         switch(type) {
-            case 0x6172DBA8: /* padding (empty) */
-            case 0xBD888C36: /* config (floats, stream id, etc, may have extended name) */
+            case 0x6172DBA8: /* ? (mostly empty) */
+            case 0xBD888C36: /* cue? (floats, stream id, etc, may have extended name; can have sub-chunks)-appears N times */
             case 0xC9C48EC1: /* unknown (has some string inside like "boss") */
             case 0xA9D23BF1: /* "state container", some kind of config/floats, witgh names like 'State_bgm01'..N */
             case 0x836FBECA: /* unknown (~0x300, encrypted? table + data) */
@@ -566,6 +614,13 @@ static int parse_ktsr(ktsr_header* ktsr, STREAMFILE* sf) {
     parse_longname(ktsr, sf, stream_id);
     build_name(ktsr, sf);
 
+    /* skip TSRS header */
+    if (ktsr->is_external && ktsr->is_srsa) {
+        for (int i = 0; i < ktsr->channels; i++) {
+            ktsr->stream_offsets[i] += 0x10;
+        }
+    }
+
     return 1;
 fail:
     vgm_logi("KTSR: unknown variation (report)\n");
diff --git a/src/meta/meta.h b/src/meta/meta.h
index 00cac342..8b97a6af 100644
--- a/src/meta/meta.h
+++ b/src/meta/meta.h
@@ -884,6 +884,7 @@ VGMSTREAM* init_vgmstream_diva(STREAMFILE* sf);
 VGMSTREAM* init_vgmstream_imuse(STREAMFILE* sf);
 
 VGMSTREAM* init_vgmstream_ktsr(STREAMFILE* sf);
+VGMSTREAM* init_vgmstream_asrs(STREAMFILE* sf);
 
 VGMSTREAM* init_vgmstream_mups(STREAMFILE* sf);
 
diff --git a/src/vgmstream.c b/src/vgmstream.c
index 7f65bd76..ee9c1580 100644
--- a/src/vgmstream.c
+++ b/src/vgmstream.c
@@ -458,6 +458,7 @@ init_vgmstream_t init_vgmstream_functions[] = {
     init_vgmstream_diva,
     init_vgmstream_imuse,
     init_vgmstream_ktsr,
+    init_vgmstream_asrs,
     init_vgmstream_mups,
     init_vgmstream_kat,
     init_vgmstream_pcm_success,