diff --git a/osu.Game.Rulesets.Hishigata/Beatmaps/HishigataBeatmapConverter.cs b/osu.Game.Rulesets.Hishigata/Beatmaps/HishigataBeatmapConverter.cs
index 262e17c..cfb16ee 100644
--- a/osu.Game.Rulesets.Hishigata/Beatmaps/HishigataBeatmapConverter.cs
+++ b/osu.Game.Rulesets.Hishigata/Beatmaps/HishigataBeatmapConverter.cs
@@ -24,6 +24,9 @@ public HishigataBeatmapConverter(IBeatmap beatmap, Ruleset ruleset)
         // https://github.com/ppy/osu/tree/master/osu.Game/Rulesets/Objects/Types
         public override bool CanConvert() => Beatmap.HitObjects.All(x => x is IHasPosition);
 
+        // trustworthy mod
+        public bool FeignsAllowed { get; set; } = true;
+
         protected override IEnumerable<HishigataHitObject> ConvertHitObject(HitObject original, IBeatmap beatmap, CancellationToken cancellationToken)
         {
             var difficulty = beatmap.BeatmapInfo.Difficulty;
@@ -34,7 +37,11 @@ protected override IEnumerable<HishigataHitObject> ConvertHitObject(HitObject or
             float angle = getHitObjectAngle(position) / 90;
             int lane = (int)Math.Round(angle);
 
-            bool isFeign = original.Samples.Any(x => x.Name == HitSampleInfo.HIT_WHISTLE);
+            bool isFeign = false;
+            if (FeignsAllowed)
+            {
+                isFeign = original.Samples.Any(x => x.Name == HitSampleInfo.HIT_WHISTLE);
+            }
 
             if (lane >= 4) lane -= 4;
             switch (original)
diff --git a/osu.Game.Rulesets.Hishigata/HishigataRuleset.cs b/osu.Game.Rulesets.Hishigata/HishigataRuleset.cs
index 2f0407f..24b28a5 100644
--- a/osu.Game.Rulesets.Hishigata/HishigataRuleset.cs
+++ b/osu.Game.Rulesets.Hishigata/HishigataRuleset.cs
@@ -64,6 +64,12 @@ public override IEnumerable<Mod> GetModsFor(ModType type)
                         new HishigataModAutoplay(),
                     };
 
+                case ModType.Conversion:
+                    return new Mod[]
+                    {
+                        new HishigataModTrustworthy(),
+                    };
+
                 case ModType.Fun:
                     return new Mod[]
                     {
diff --git a/osu.Game.Rulesets.Hishigata/Localisation/Mods/HishigataModTrustworthyStrings.cs b/osu.Game.Rulesets.Hishigata/Localisation/Mods/HishigataModTrustworthyStrings.cs
new file mode 100644
index 0000000..b2388c8
--- /dev/null
+++ b/osu.Game.Rulesets.Hishigata/Localisation/Mods/HishigataModTrustworthyStrings.cs
@@ -0,0 +1,16 @@
+using osu.Framework.Localisation;
+
+namespace osu.Game.Rulesets.Hishigata.Localisation.Mods
+{
+    public static class HishigataModTrustworthyStrings
+    {
+        private const string prefix = @"osu.Game.Rulesets.Hishigata.Resources.Localisation.Mods.HishigataModTrustworthyStrings";
+
+        /// <summary>
+        /// "Notes don't switch sides."
+        /// </summary>
+        public static LocalisableString ModDescription => new TranslatableString(getKey(@"mod_description"), @"Notes don't switch sides.");
+
+        private static string getKey(string key) => $"{prefix}:{key}";
+    }
+}
diff --git a/osu.Game.Rulesets.Hishigata/Mods/HishigataModTrustworthy.cs b/osu.Game.Rulesets.Hishigata/Mods/HishigataModTrustworthy.cs
new file mode 100644
index 0000000..cd6612c
--- /dev/null
+++ b/osu.Game.Rulesets.Hishigata/Mods/HishigataModTrustworthy.cs
@@ -0,0 +1,25 @@
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Localisation;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Hishigata.Localisation.Mods;
+using osu.Game.Rulesets.Hishigata.Beatmaps;
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Hishigata.Mods
+{
+    public class HishigataModTrustworthy : Mod, IApplicableToBeatmapConverter
+    {
+        public override string Name => "Trustworthy";
+        public override string Acronym => "TW";
+        public override LocalisableString Description => HishigataModTrustworthyStrings.ModDescription;
+        public override double ScoreMultiplier => 0.8;
+        public override ModType Type => ModType.Conversion;
+        public override IconUsage? Icon => FontAwesome.Solid.Check;
+
+        public void ApplyToBeatmapConverter(IBeatmapConverter beatmapConverter)
+        {
+            var converter = (HishigataBeatmapConverter)beatmapConverter;
+            converter.FeignsAllowed = false;
+        }
+    }
+}
diff --git a/osu.Game.Rulesets.Hishigata/Resources/Localisation/Mods/HishigataModTrustworthyStrings.resx b/osu.Game.Rulesets.Hishigata/Resources/Localisation/Mods/HishigataModTrustworthyStrings.resx
new file mode 100644
index 0000000..6e5d0e5
--- /dev/null
+++ b/osu.Game.Rulesets.Hishigata/Resources/Localisation/Mods/HishigataModTrustworthyStrings.resx
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+    <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+        <xsd:import namespace="http://www.w3.org/XML/1998/namespace"/>
+        <xsd:element name="root" msdata:IsDataSet="true">
+            <xsd:complexType>
+                <xsd:choice maxOccurs="unbounded">
+                    <xsd:element name="metadata">
+                        <xsd:complexType>
+                            <xsd:sequence>
+                                <xsd:element name="value" type="xsd:string" minOccurs="0"/>
+                            </xsd:sequence>
+                            <xsd:attribute name="name" use="required" type="xsd:string"/>
+                            <xsd:attribute name="type" type="xsd:string"/>
+                            <xsd:attribute name="mimetype" type="xsd:string"/>
+                            <xsd:attribute ref="xml:space"/>
+                        </xsd:complexType>
+                    </xsd:element>
+                    <xsd:element name="assembly">
+                        <xsd:complexType>
+                            <xsd:attribute name="alias" type="xsd:string"/>
+                            <xsd:attribute name="name" type="xsd:string"/>
+                        </xsd:complexType>
+                    </xsd:element>
+                    <xsd:element name="data">
+                        <xsd:complexType>
+                            <xsd:sequence>
+                                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1"/>
+                                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2"/>
+                            </xsd:sequence>
+                            <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1"/>
+                            <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3"/>
+                            <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4"/>
+                            <xsd:attribute ref="xml:space"/>
+                        </xsd:complexType>
+                    </xsd:element>
+                    <xsd:element name="resheader">
+                        <xsd:complexType>
+                            <xsd:sequence>
+                                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1"/>
+                            </xsd:sequence>
+                            <xsd:attribute name="name" type="xsd:string" use="required"/>
+                        </xsd:complexType>
+                    </xsd:element>
+                </xsd:choice>
+            </xsd:complexType>
+        </xsd:element>
+    </xsd:schema>
+    <resheader name="resmimetype">
+        <value>text/microsoft-resx</value>
+    </resheader>
+    <resheader name="version">
+        <value>2.0</value>
+    </resheader>
+    <resheader name="reader">
+        <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    </resheader>
+    <resheader name="writer">
+        <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    </resheader>
+    <data name="mod_description" xml:space="preserve">
+        <value>Notes don't switch sides.</value>
+    </data>
+</root>