diff --git a/CHANGELOG.md b/CHANGELOG.md
index c172a766e1..76caefd453 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -82,6 +82,7 @@ You should also include the user name that made the change.
 - Client: add user list widget @syuilo
 - Client: add heatmap of daily active users to about page @syuilo
 - Client: introduce fluent emoji @syuilo
+- Client: add new theme @syuilo
 - Client: show fireworks when visit user who today is birthday @syuilo
 - Client: show bot warning on screen when logged in as bot account @syuilo
 - Client: improve overall performance of client @syuilo
diff --git a/packages/frontend/src/scripts/theme.ts b/packages/frontend/src/scripts/theme.ts
index 42cb00265d..28284c7bcf 100644
--- a/packages/frontend/src/scripts/theme.ts
+++ b/packages/frontend/src/scripts/theme.ts
@@ -24,6 +24,7 @@ export const getBuiltinThemes = () => Promise.all(
 		'l-coffee',
 		'l-apricot',
 		'l-rainy',
+		'l-botanical',
 		'l-vivid',
 		'l-cherry',
 		'l-sushi',
diff --git a/packages/frontend/src/themes/l-botanical.json5 b/packages/frontend/src/themes/l-botanical.json5
new file mode 100644
index 0000000000..2ea9a7d6c9
--- /dev/null
+++ b/packages/frontend/src/themes/l-botanical.json5
@@ -0,0 +1,29 @@
+{
+	id: '1100673c-f902-4ccd-93aa-7cb88be56178',
+
+	name: 'Mi Botanical Light',
+	author: 'ThinaticSystem',
+
+  base: 'light',
+	
+	props: {
+		accent: '#77b58c',
+		bg: 'e2deda',
+		fg: '#3d3d3d',
+		fgHighlighted: '#6bc9a0',
+		divider: '#cfcfcf',
+		panel: '@X14',
+		panelHeaderBg: '@panel',
+		panelHeaderDivider: '@divider',
+		header: ':alpha<0.7<@panel',
+		navBg: '@X14',
+		renote: '#229e92',
+		mention: '#da6d35',
+		mentionMe: '#d44c4c',
+		hashtag: '#4cb8d4',
+		link: '@accent',
+		buttonGradateB: ':hue<-70<@accent',
+		success: '#86b300',
+    X14: '#ebe7e5'
+	},
+}