diff --git a/osu.Framework.Font/Graphics/Sprites/LyricSpriteText_Characters.cs b/osu.Framework.Font/Graphics/Sprites/LyricSpriteText_Characters.cs
index d0f9240..cd35669 100644
--- a/osu.Framework.Font/Graphics/Sprites/LyricSpriteText_Characters.cs
+++ b/osu.Framework.Font/Graphics/Sprites/LyricSpriteText_Characters.cs
@@ -377,7 +377,7 @@ public RectangleF GetCharacterDrawRectangle(int index, bool drawSizeOnly = false
                 throw new ArgumentOutOfRangeException(nameof(index));
 
             var character = characters[charIndex];
-            var drawRectangle = TextBuilderGlyphUtils.GetCharacterRectangle(character, drawSizeOnly);
+            var drawRectangle = drawSizeOnly ? character.DrawRectangle : TextBuilderGlyphUtils.GetCharacterSizeRectangle(character);
             return getComputeCharacterDrawRectangle(drawRectangle);
         }
 
@@ -386,7 +386,7 @@ public RectangleF GetRubyTagDrawRectangle(PositionText rubyTag, bool drawSizeOnl
             if (!rubyCharactersBacking.TryGetValue(rubyTag, out var glyphs))
                 throw new ArgumentOutOfRangeException(nameof(rubyTag));
 
-            var drawRectangle = glyphs.Select(x => TextBuilderGlyphUtils.GetCharacterRectangle(x, drawSizeOnly))
+            var drawRectangle = glyphs.Select(x => drawSizeOnly ? x.DrawRectangle : TextBuilderGlyphUtils.GetCharacterSizeRectangle(x))
                                       .Aggregate(RectangleF.Union);
             return getComputeCharacterDrawRectangle(drawRectangle);
         }
@@ -396,7 +396,7 @@ public RectangleF GetRomajiTagDrawRectangle(PositionText romajiTag, bool drawSiz
             if (!romajiCharactersBacking.TryGetValue(romajiTag, out var glyphs))
                 throw new ArgumentOutOfRangeException(nameof(romajiTag));
 
-            var drawRectangle = glyphs.Select(x => TextBuilderGlyphUtils.GetCharacterRectangle(x, drawSizeOnly))
+            var drawRectangle = glyphs.Select(x => drawSizeOnly ? x.DrawRectangle : TextBuilderGlyphUtils.GetCharacterSizeRectangle(x))
                                       .Aggregate(RectangleF.Union);
             return getComputeCharacterDrawRectangle(drawRectangle);
         }
diff --git a/osu.Framework.Font/Text/PositionTextFormatter.cs b/osu.Framework.Font/Text/PositionTextFormatter.cs
index 74c5e51..a10d159 100644
--- a/osu.Framework.Font/Text/PositionTextFormatter.cs
+++ b/osu.Framework.Font/Text/PositionTextFormatter.cs
@@ -70,15 +70,15 @@ private static Vector2 getPositionTextStartPosition(RectangleF mainTextRect, flo
         }
 
         private static Vector2 getPositionTextSize(TextBuilderGlyph[] glyphs)
-            => glyphs.Select(x => TextBuilderGlyphUtils.GetCharacterRectangle(x, false))
+            => glyphs.Select(TextBuilderGlyphUtils.GetCharacterSizeRectangle)
                      .Aggregate(RectangleF.Union).Size;
 
         private RectangleF getMainCharacterRectangleF(int startCharIndex, int endCharIndex)
         {
             var starCharacter = characterList[startCharIndex];
             var endCharacter = characterList[endCharIndex - 1];
-            var startCharacterRectangle = TextBuilderGlyphUtils.GetCharacterRectangle(starCharacter, false);
-            var endCharacterRectangle = TextBuilderGlyphUtils.GetCharacterRectangle(endCharacter, false);
+            var startCharacterRectangle = TextBuilderGlyphUtils.GetCharacterSizeRectangle(starCharacter);
+            var endCharacterRectangle = TextBuilderGlyphUtils.GetCharacterSizeRectangle(endCharacter);
 
             var position = startCharacterRectangle.TopLeft;
 
diff --git a/osu.Framework.Font/Utils/TextBuilderGlyphUtils.cs b/osu.Framework.Font/Utils/TextBuilderGlyphUtils.cs
index 0e8fe9f..cfcba9e 100644
--- a/osu.Framework.Font/Utils/TextBuilderGlyphUtils.cs
+++ b/osu.Framework.Font/Utils/TextBuilderGlyphUtils.cs
@@ -7,36 +7,26 @@
 
 namespace osu.Framework.Utils
 {
-    public class TextBuilderGlyphUtils
+    public static class TextBuilderGlyphUtils
     {
-        public static RectangleF GetCharacterRectangle(TextBuilderGlyph character, bool drawSizeOnly)
-        {
-            if (drawSizeOnly)
-                return character.DrawRectangle;
+        private static float getCharacterTopOffset(ICharacterGlyph character)
+            => character.Baseline * 0.3f;
 
-            // todo: should get the real value.
-            var topReduce = character.Baseline * 0.3f;
-            var bottomIncrease = character.Baseline * 0.2f;
-            return character.DrawRectangle.Inflate(new MarginPadding
+        private static float getCharacterBottomOffset(ICharacterGlyph character)
+            => character.Baseline * 0.03f;
+
+        public static RectangleF GetCharacterSizeRectangle(TextBuilderGlyph character)
+            => character.DrawRectangle.Inflate(new MarginPadding
             {
-                Top = character.YOffset - topReduce,
-                Bottom = character.Baseline - character.Height - character.YOffset + bottomIncrease,
+                Top = character.YOffset - getCharacterTopOffset(character),
+                Bottom = character.Baseline - character.Height - character.YOffset + getCharacterBottomOffset(character),
             });
-        }
-
-        public static RectangleF GetCharacterRectangle(PositionTextBuilderGlyph character, bool drawSizeOnly)
-        {
-            if (drawSizeOnly)
-                return character.DrawRectangle;
 
-            // todo: should get the real value.
-            var topReduce = character.Baseline * 0.3f;
-            var bottomIncrease = character.Baseline * 0.2f;
-            return character.DrawRectangle.Inflate(new MarginPadding
+        public static RectangleF GetCharacterSizeRectangle(PositionTextBuilderGlyph character)
+            => character.DrawRectangle.Inflate(new MarginPadding
             {
-                Top = character.YOffset - topReduce,
-                Bottom = character.Baseline - character.Height - character.YOffset + bottomIncrease,
+                Top = character.YOffset - getCharacterTopOffset(character),
+                Bottom = character.Baseline - character.Height - character.YOffset + getCharacterBottomOffset(character),
             });
-        }
     }
 }