diff --git a/app/Ejaculation.php b/app/Ejaculation.php
index 399783a..48bdaf9 100644
--- a/app/Ejaculation.php
+++ b/app/Ejaculation.php
@@ -27,4 +27,9 @@ class Ejaculation extends Model
     {
         return $this->belongsToMany('App\Tag')->withTimestamps();
     }
+
+    public function textTags()
+    {
+        return implode(' ', $this->tags->map(function ($v) { return $v->name; })->all());
+    }
 }
diff --git a/resources/views/ejaculation/edit.blade.php b/resources/views/ejaculation/edit.blade.php
index ed94a68..293802d 100644
--- a/resources/views/ejaculation/edit.blade.php
+++ b/resources/views/ejaculation/edit.blade.php
@@ -37,7 +37,7 @@
                 </div>
                 <div class="form-row">
                     <div class="form-group col-sm-12">
-                        <input name="tags" type="hidden" value="{{ old('tags') ?? implode(' ', $ejaculation->tags->map(function ($v) { return $v->name; })->all()) }}">
+                        <input name="tags" type="hidden" value="{{ old('tags') ?? $ejaculation->textTags() }}">
                         <label for="tagInput"><span class="oi oi-tags"></span> タグ</label>
                         <div class="form-control {{ $errors->has('tags') ? ' is-invalid' : '' }}">
                             <ul id="tags" class="list-inline d-inline"></ul>
diff --git a/resources/views/ejaculation/show.blade.php b/resources/views/ejaculation/show.blade.php
index 6afbfd8..c9006cc 100644
--- a/resources/views/ejaculation/show.blade.php
+++ b/resources/views/ejaculation/show.blade.php
@@ -28,6 +28,7 @@
                             <h5>{{ $ejaculatedSpan ?? '精通' }} <small class="text-muted">{{ $ejaculation->before_date }}{{ !empty($ejaculation->before_date) ? ' ～ ' : '' }}{{ $ejaculation->ejaculated_date->format('Y/m/d H:i') }}</small></h5>
                             @if ($user->isMe())
                                 <div>
+                                    <a class="text-secondary timeline-action-item" href="{{ route('checkin', ['link' => $ejaculation->link, 'tags' => $ejaculation->textTags()]) }}"><span class="oi oi-reload" data-toggle="tooltip" data-placement="bottom" title="同じオカズでチェックイン"></span></a>
                                     <a class="text-secondary timeline-action-item" href="{{ route('checkin.edit', ['id' => $ejaculation->id]) }}"><span class="oi oi-pencil" data-toggle="tooltip" data-placement="bottom" title="修正"></span></a>
                                     <a class="text-secondary timeline-action-item" href="#" data-toggle="modal" data-target="#deleteCheckinModal" data-id="{{ $ejaculation->id }}" data-date="{{ $ejaculation->ejaculated_date }}"><span class="oi oi-trash" data-toggle="tooltip" data-placement="bottom" title="削除"></span></a>
                                 </div>
diff --git a/resources/views/user/profile.blade.php b/resources/views/user/profile.blade.php
index e3f3e50..8bc7c14 100644
--- a/resources/views/user/profile.blade.php
+++ b/resources/views/user/profile.blade.php
@@ -14,6 +14,7 @@
                     <h5>{{ $ejaculation->ejaculated_span ?? '精通' }} <a href="{{ route('checkin.show', ['id' => $ejaculation->id]) }}" class="text-muted"><small>{{ $ejaculation->before_date }}{{ !empty($ejaculation->before_date) ? ' ～ ' : '' }}{{ $ejaculation->ejaculated_date->format('Y/m/d H:i') }}</small></a></h5>
                     @if ($user->isMe())
                     <div>
+                        <a class="text-secondary timeline-action-item" href="{{ route('checkin', ['link' => $ejaculation->link, 'tags' => $ejaculation->textTags()]) }}"><span class="oi oi-reload" data-toggle="tooltip" data-placement="bottom" title="同じオカズでチェックイン"></span></a>
                         <a class="text-secondary timeline-action-item" href="{{ route('checkin.edit', ['id' => $ejaculation->id]) }}"><span class="oi oi-pencil" data-toggle="tooltip" data-placement="bottom" title="修正"></span></a>
                         <a class="text-secondary timeline-action-item" href="#" data-toggle="modal" data-target="#deleteCheckinModal" data-id="{{ $ejaculation->id }}" data-date="{{ $ejaculation->ejaculated_date }}"><span class="oi oi-trash" data-toggle="tooltip" data-placement="bottom" title="削除"></span></a>
                     </div>