diff --git a/src/formats.c b/src/formats.c
index 9a7fb7cb..9c11fe4a 100644
--- a/src/formats.c
+++ b/src/formats.c
@@ -31,6 +31,7 @@ static const char* extension_list[] = {
     "adm",
     "adp",
     "adpcm",
+    "adpcmx",
     "ads",
     "adw",
     "adx",
@@ -272,6 +273,7 @@ static const char* extension_list[] = {
     "oma", //FFmpeg/not parsed (ATRAC3/ATRAC3PLUS/MP3/LPCM/WMA)
     "omu",
     //"opus", //common
+    "opusx",
     "otm",
     "ovb",
 
@@ -1120,6 +1122,7 @@ static const meta_info meta_info_list[] = {
         {meta_MSF_TAMASOFT,         "Tama-Soft MSF header"},
         {meta_XPS_DAT,              "From Software .XPS+DAT header"},
         {meta_ZSND,                 "Vicarious Visions ZSND header"},
+        {meta_DSP_ADPCMX,           "AQUASTYLE ADPY header"},
 
 };
 
diff --git a/src/meta/meta.h b/src/meta/meta.h
index 4cb26957..0c60aef8 100644
--- a/src/meta/meta.h
+++ b/src/meta/meta.h
@@ -48,6 +48,7 @@ VGMSTREAM * init_vgmstream_dsp_mcadpcm(STREAMFILE *streamFile);
 VGMSTREAM * init_vgmstream_dsp_switch_audio(STREAMFILE *streamFile);
 VGMSTREAM * init_vgmstream_dsp_sps_n1(STREAMFILE *streamFile);
 VGMSTREAM * init_vgmstream_dsp_itl_ch(STREAMFILE *streamFile);
+VGMSTREAM * init_vgmstream_dsp_adpcmx(STREAMFILE *streamFile);
 
 VGMSTREAM * init_vgmstream_csmp(STREAMFILE *streamFile);
 
@@ -663,6 +664,7 @@ VGMSTREAM * init_vgmstream_opus_shinen(STREAMFILE * streamFile);
 VGMSTREAM * init_vgmstream_opus_nus3(STREAMFILE * streamFile);
 VGMSTREAM * init_vgmstream_opus_sps_n1(STREAMFILE * streamFile);
 VGMSTREAM * init_vgmstream_opus_nxa(STREAMFILE * streamFile);
+VGMSTREAM * init_vgmstream_opus_opusx(STREAMFILE * streamFile);
 
 VGMSTREAM * init_vgmstream_pc_al2(STREAMFILE * streamFile);
 
diff --git a/src/meta/ngc_dsp_std.c b/src/meta/ngc_dsp_std.c
index 9eaf8071..010287e1 100644
--- a/src/meta/ngc_dsp_std.c
+++ b/src/meta/ngc_dsp_std.c
@@ -1115,7 +1115,7 @@ fail:
 }
 
 /* .vag - Nippon Ichi SPS wrapper [Penny-Punching Princess (Switch), Ys VIII (Switch)] */
-VGMSTREAM * init_vgmstream_dsp_sps_n1(STREAMFILE *streamFile) {//todo rename
+VGMSTREAM * init_vgmstream_dsp_sps_n1(STREAMFILE *streamFile) {
     dsp_meta dspm = {0};
 
     /* checks */
@@ -1168,3 +1168,31 @@ VGMSTREAM * init_vgmstream_dsp_itl_ch(STREAMFILE *streamFile) {
 fail:
     return NULL;
 }
+
+/* .adpcmx - AQUASTYLE wrapper [Touhou Genso Wanderer -Reloaded- (Switch)] */
+VGMSTREAM * init_vgmstream_dsp_adpcmx(STREAMFILE *streamFile) {
+    dsp_meta dspm = {0};
+
+    /* checks */
+    if (!check_extensions(streamFile, "adpcmx"))
+        goto fail;
+    if (read_32bitBE(0x00,streamFile) != 0x41445059) /* "ADPY" */
+        goto fail;
+    /* 0x04(2): 1? */
+    /* 0x08: some size? */
+    /* 0x0c: null */
+
+    dspm.channel_count = read_16bitLE(0x06,streamFile);
+    dspm.max_channels = 2;
+    dspm.little_endian = 1;
+
+    dspm.header_offset = 0x10;
+    dspm.header_spacing = 0x60;
+    dspm.start_offset = dspm.header_offset + dspm.header_spacing*dspm.channel_count;
+    dspm.interleave = 0x08;
+
+    dspm.meta_type = meta_DSP_ADPCMX;
+    return init_vgmstream_dsp_common(streamFile, &dspm);
+fail:
+    return NULL;
+}
diff --git a/src/meta/opus.c b/src/meta/opus.c
index 8a9c60b5..21186b88 100644
--- a/src/meta/opus.c
+++ b/src/meta/opus.c
@@ -57,7 +57,6 @@ static VGMSTREAM * init_vgmstream_opus(STREAMFILE *streamFile, meta_t meta_type,
     goto fail;
 #endif
 
-    /* open the file for reading */
     if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
         goto fail;
     return vgmstream;
@@ -308,3 +307,36 @@ VGMSTREAM * init_vgmstream_opus_sps_n1(STREAMFILE *streamFile) {
 fail:
     return NULL;
 }
+
+/* AQUASTYLE wrapper [Touhou Genso Wanderer -Reloaded- (Switch)] */
+VGMSTREAM * init_vgmstream_opus_opusx(STREAMFILE *streamFile) {
+    off_t offset;
+    int num_samples, loop_start = 0, loop_end = 0;
+    float modifier;
+
+    /* checks */
+    if (!check_extensions(streamFile, "opusx"))
+        goto fail;
+    if (read_32bitBE(0x00, streamFile) != 0x4F505553) /* "OPUS" */
+        goto fail;
+
+    offset = 0x10;
+    /* values are for the original 44100 files, but Opus resamples to 48000 */
+    modifier = 48000.0f / 44100.0f;
+    num_samples = 0;//read_32bitLE(0x04, streamFile) * modifier; /* better use calc'd num_samples */
+    loop_start = read_32bitLE(0x08, streamFile) * modifier;
+    loop_end = read_32bitLE(0x0c, streamFile) * modifier;
+
+    /* resampling calcs are slighly off and may to over num_samples, but by removing delay seems ok */
+    if (loop_start >= 120) {
+        loop_start -= 128;
+        loop_end -= 128;
+    }
+    else {
+        loop_end = 0;
+    }
+
+    return init_vgmstream_opus(streamFile, meta_OPUS, offset, num_samples, loop_start, loop_end);
+fail:
+    return NULL;
+}
diff --git a/src/vgmstream.c b/src/vgmstream.c
index 6610e111..e470398f 100644
--- a/src/vgmstream.c
+++ b/src/vgmstream.c
@@ -453,6 +453,8 @@ VGMSTREAM * (*init_vgmstream_functions[])(STREAMFILE *streamFile) = {
     init_vgmstream_xps_dat,
     init_vgmstream_xps,
     init_vgmstream_zsnd,
+    init_vgmstream_opus_opusx,
+    init_vgmstream_dsp_adpcmx,
 
     /* lowest priority metas (should go after all metas, and TXTH should go before raw formats) */
     init_vgmstream_txth,            /* proper parsers should supersede TXTH, once added */
diff --git a/src/vgmstream.h b/src/vgmstream.h
index 17c8d61d..d8881415 100644
--- a/src/vgmstream.h
+++ b/src/vgmstream.h
@@ -708,6 +708,7 @@ typedef enum {
     meta_MSF_TAMASOFT,
     meta_XPS_DAT,
     meta_ZSND,
+    meta_DSP_ADPCMX
 
 } meta_t;