diff --git a/scripts/apod.js b/scripts/apod.js
index 6156af1..4e89a29 100644
--- a/scripts/apod.js
+++ b/scripts/apod.js
@@ -10,14 +10,13 @@ module.exports = [
       `https://api.nasa.gov/planetary/apod?api_key=${API_KEY}`
     );
     if (!response.ok) {
-      say("APODの画像が取れなかったにゃーん");
-      return;
+      return say("APODの画像が取れなかったにゃーん");
     }
     const dict = await response.json();
     const url =
       dict.media_type === "video"
         ? `https://www.youtube.com/watch?v=${get_video_id(dict.url)}`
         : dict.url;
-    say(`宇宙って良いにゃーん\n${dict.title}\n${url}`);
+    return say(`宇宙って良いにゃーん\n${dict.title}\n${url}`);
   },
 ];
diff --git a/scripts/dns.js b/scripts/dns.js
index 70af3ff..3c59186 100644
--- a/scripts/dns.js
+++ b/scripts/dns.js
@@ -14,9 +14,11 @@ module.exports = [
           err ? reject(err) : resolve(records)
         )
       );
-      say(`:nya-n: < ${domain} は ${records.join("  *,*  ")} ですにゃん`);
+      return say(
+        `:nya-n: < ${domain} は ${records.join("  *,*  ")} ですにゃん`
+      );
     } catch {
-      say(`:nya-n: < ${domain} はわかんなかったにゃん`);
+      return say(`:nya-n: < ${domain} はわかんなかったにゃん`);
     }
   },
 ];
diff --git a/scripts/faiz.js b/scripts/faiz.js
index b06afa0..9619632 100644
--- a/scripts/faiz.js
+++ b/scripts/faiz.js
@@ -1,5 +1,5 @@
 module.exports = (app) => {
-  app.message(/555/, ({ say }) => {
+  app.message(/555/, ({ say }) =>
     say(
       [
         "Standing by... > :nya-n:",
@@ -8,9 +8,9 @@ module.exports = (app) => {
         "変身！ > :nya-n:",
         ":555: ﾉｼ",
       ].join("\n")
-    );
-  });
-  app.message(/551/, ({ say }) => {
+    )
+  );
+  app.message(/551/, ({ say }) =>
     say(
       [
         "551の豚まんがあるときー？ > :nya-n:",
@@ -30,6 +30,6 @@ module.exports = (app) => {
         "￣￣￣￣￣￣￣￣",
         "```",
       ].join("\n")
-    );
-  });
+    )
+  );
 };
diff --git a/scripts/goku.js b/scripts/goku.js
index b9b6aaf..e4e6138 100644
--- a/scripts/goku.js
+++ b/scripts/goku.js
@@ -1,6 +1,5 @@
 module.exports = [
   /([\s\S]*(ぱい|パイ)[\s\S]*)/,
-  ({ context, say }) => {
-    say(`:goku: < ${context.matches[0].replace(/ぱい|パイ/g, "ぺぇ")}`);
-  },
+  ({ context, say }) =>
+    say(`:goku: < ${context.matches[0].replace(/ぱい|パイ/g, "ぺぇ")}`),
 ];
diff --git a/scripts/ipinfo.js b/scripts/ipinfo.js
index 70ddfb5..521fa12 100644
--- a/scripts/ipinfo.js
+++ b/scripts/ipinfo.js
@@ -10,7 +10,7 @@ module.exports = [
       headers: { Accept: "application/json" },
     };
     const response = await fetch(url, options);
-    say(
+    return say(
       response.ok
         ? `:nya-n: < ${await response.text()}`
         : `:nya-n: < がんばったけど ${ip} よくわからんかったにゃん`
diff --git a/scripts/json.js b/scripts/json.js
index 62bed20..87f05d6 100644
--- a/scripts/json.js
+++ b/scripts/json.js
@@ -14,7 +14,7 @@ module.exports = [
     try {
       const json = JSON.parse(context.matches[1]);
       const res = JSON.stringify(json, null, 2);
-      say([`${nyanco()} っ`, "```", res, "```"].join("\n"));
+      return say([`${nyanco()} っ`, "```", res, "```"].join("\n"));
     } catch (e) {
       console.error(e);
     }
diff --git a/scripts/morpheme.js b/scripts/morpheme.js
index fb4dd9a..41d5fea 100644
--- a/scripts/morpheme.js
+++ b/scripts/morpheme.js
@@ -16,7 +16,9 @@ module.exports = [
       const tokenize = await useTokenize();
       const tokens = tokenize(context.matches[1]);
       const readings = tokens.map(({ reading }) => reading);
-      say([`${nyanco()} ＜ ${readings.join("")}`, toCSV(tokens)].join("\n"));
+      return say(
+        [`${nyanco()} ＜ ${readings.join("")}`, toCSV(tokens)].join("\n")
+      );
     } catch (e) {
       console.error(e);
     }
diff --git a/scripts/nurupo.js b/scripts/nurupo.js
index 19f9d80..c88a340 100644
--- a/scripts/nurupo.js
+++ b/scripts/nurupo.js
@@ -45,7 +45,7 @@ const patterns = [
     /進捗どうですか/,
     ({ message, say }) => {
       const from = `<@${message.user}>`;
-      say(
+      return say(
         [
           `${nyanco()} < そう言うと ${from} は永い眠りについた。`,
           `メールとチケットが山のように積もった部屋の片隅で・・・。`,
@@ -69,7 +69,7 @@ const patterns = [
     /(肉|にく|ニク)/,
     ({ say }) => {
       if (random([...Array(3).keys()]) !== 0) return;
-      say(
+      return say(
         [
           ":spark-exodia-00::spark-exodia-01::spark-exodia-02::spark-exodia-03::spark-exodia-04::spark-exodia-05:",
           ":spark-exodia-06::spark-exodia-07::spark-exodia-08::spark-exodia-09::spark-exodia-10::spark-exodia-11:",
@@ -83,7 +83,7 @@ const patterns = [
     /(野球|やきゅう|やきう)/,
     ({ say }) => {
       if (random([...Array(10).keys()]) !== 0) return;
-      say(
+      return say(
         [
           ":nomura-exodia-1::nomura-exodia-2::nomura-exodia-3:",
           ":nomura-exodia-4::nomura-exodia-5::nomura-exodia-6: :exclamation::question:",
@@ -99,9 +99,9 @@ const patterns = [
         /(死|亡|殺)/.test(context.matches[0]) ||
         random([...Array(10).keys()]) === 0
       ) {
-        say(":hamster: < まったくなのだ！万死に値するのだ！！");
+        return say(":hamster: < まったくなのだ！万死に値するのだ！！");
       } else {
-        say(":hamster: < まったくなのだ！！！");
+        return say(":hamster: < まったくなのだ！！！");
       }
     },
   ],
diff --git a/scripts/nyanchu.js b/scripts/nyanchu.js
index 466b3ee..4922b8d 100644
--- a/scripts/nyanchu.js
+++ b/scripts/nyanchu.js
@@ -5,6 +5,6 @@ module.exports = [
   /(ニャンちゅう) +(.*)/,
   ({ context, say }) => {
     const oon = context.matches[2].split("").map((c) => `${c}゛`);
-    say(`お゛ぉ゛ん！${oon.join("")}た゛に゛ゃあ゛ん！ > :nyanchu:`);
+    return say(`お゛ぉ゛ん！${oon.join("")}た゛に゛ゃあ゛ん！ > :nyanchu:`);
   },
 ];
diff --git a/scripts/random.js b/scripts/random.js
index c9dd355..b01eaaa 100644
--- a/scripts/random.js
+++ b/scripts/random.js
@@ -18,6 +18,6 @@ module.exports = [
       ...context.matches[2].split(/(?:,|\s)+/),
       "人に決められるだけの人生でいいのか？自分で決めようず",
     ];
-    say(`:nya-n: < ${random(words)}`);
+    return say(`:nya-n: < ${random(words)}`);
   },
 ];
diff --git a/scripts/tellme.js b/scripts/tellme.js
index 239bbda..b1d1782 100644
--- a/scripts/tellme.js
+++ b/scripts/tellme.js
@@ -13,6 +13,6 @@ module.exports = [
   /tell( ?me)? (.*)/i,
   async ({ context, say }) => {
     const ans = await tellme(context.matches[2]);
-    if (ans != null) say(`${nyanco()} ＜ ${ans}`);
+    if (ans != null) return say(`${nyanco()} ＜ ${ans}`);
   },
 ];
diff --git a/scripts/unchiku.js b/scripts/unchiku.js
index 5274a75..865e665 100644
--- a/scripts/unchiku.js
+++ b/scripts/unchiku.js
@@ -22,7 +22,7 @@ module.exports = [
       if (/^(|…|しらないにゃーん)$/.test(ans)) {
         throw new Error(`don't know ${word} : ${ans}`);
       }
-      say(`:nya-n: < 【う・ん・ち・く】${ans}`);
+      return say(`:nya-n: < 【う・ん・ち・く】${ans}`);
     } catch (e) {
       console.error(e);
     }
diff --git a/scripts/weather.js b/scripts/weather.js
index a18ad63..ff9fea4 100644
--- a/scripts/weather.js
+++ b/scripts/weather.js
@@ -24,7 +24,7 @@ module.exports = [
       timeZone
     );
 
-    say(
+    return say(
       [
         `${nyanco()} ＜ ${format(
           target,