diff --git a/Bishounen Tanteidan/tanteidan_common/filter.py b/Bishounen Tanteidan/tanteidan_common/filter.py
index b0cec70..ff1d022 100644
--- a/Bishounen Tanteidan/tanteidan_common/filter.py	
+++ b/Bishounen Tanteidan/tanteidan_common/filter.py	
@@ -58,9 +58,13 @@ def antialias(clip: vs.VideoNode, weak: Optional[List[Range]] = None, noaa: Opti
 def regrain(clip: vs.VideoNode) -> vs.VideoNode:
     mask_bright = clip.std.PlaneStats().adg.Mask(10)
     mask_dark = clip.std.PlaneStats().adg.Mask(25)
-    sgrain = core.std.MaskedMerge(clip, clip.grain.Add(var=0.2, constant=True, seed=393), mask_bright)
-    dgrain = core.std.MaskedMerge(clip, clip.grain.Add(var=0.15, constant=False, seed=393), mask_dark)
-    grain = core.std.MergeDiff(dgrain, clip.std.MakeDiff(sgrain))
+    sgrain_l = core.std.MaskedMerge(clip, clip.grain.Add(var=0.1, constant=True, seed=393), mask_bright.std.Invert())
+    sgrain_h = core.std.MaskedMerge(clip, core.std.MaskedMerge(clip, clip.grain.Add(var=0.2, constant=True, seed=393),
+                                                               mask_bright),
+                                    mask_dark.std.Invert())
+    sgrain = sgrain_h.std.MergeDiff(clip.std.MakeDiff(sgrain_l))
+    dgrain = core.std.MaskedMerge(clip, clip.grain.Add(var=0.3, constant=False, seed=393), mask_dark)
+    grain = dgrain.std.MergeDiff(clip.std.MakeDiff(sgrain))
     return grain
 
 
diff --git a/Bishounen Tanteidan/tanteidan_common/final-settings b/Bishounen Tanteidan/tanteidan_common/final-settings
index 2774071..957b876 100644
--- a/Bishounen Tanteidan/tanteidan_common/final-settings	
+++ b/Bishounen Tanteidan/tanteidan_common/final-settings	
@@ -1 +1 @@
-x265 --input - --y4m --input-depth 10 --output-depth 10 --input-csp i420 --profile main10 --colormatrix bt709 --colorprim bt709 --transfer bt709 --preset slower --rc-lookahead 72 --keyint 360 --min-keyint 23 --subme 5 --qcomp 0.7 --crf 15 --aq-mode 3 --aq-strength 0.9 --bframes 16 --psy-rd 2.0 --psy-rdoq 1.8 --rdoq-level 1 --deblock -2:-2 --no-sao --no-open-gop --frames {frames:d} --output {filename:s}.h265
+x265 --input - --y4m --input-depth 10 --output-depth 10 --input-csp i420 --profile main10 --colormatrix bt709 --colorprim bt709 --transfer bt709 --preset slower --rc-lookahead 72 --keyint 360 --min-keyint 23 --subme 5 --qcomp 0.7 --crf 15 --aq-mode 3 --aq-strength 0.9 --bframes 16 --psy-rd 2.0 --psy-rdoq 1.8 --rdoq-level 1 --deblock -2:-2 --no-sao --no-open-gop --no-strong-intra-smoothing --frames {frames:d} --output {filename:s}.h265