diff --git a/app/Http/Controllers/EjaculationController.php b/app/Http/Controllers/EjaculationController.php
index 78ba14d..b671e50 100644
--- a/app/Http/Controllers/EjaculationController.php
+++ b/app/Http/Controllers/EjaculationController.php
@@ -42,9 +42,26 @@ class EjaculationController extends Controller
         return redirect()->route('home')->with('status', 'チェックインしました！');
     }
 
-    public function show()
+    public function show($id)
     {
-        // TODO: not implemented
+        $ejaculation = Ejaculation::findOrFail($id);
+        $user = User::findOrFail($ejaculation->user_id);
+
+        // 1つ前のチェックインからの経過時間を求める
+        $previousEjaculation = Ejaculation::select('ejaculated_date')
+            ->where('user_id', $ejaculation->user_id)
+            ->where('ejaculated_date', '<', $ejaculation->ejaculated_date)
+            ->orderByDesc('ejaculated_date')
+            ->first();
+        if (!empty($previousEjaculation)) {
+            $ejaculatedSpan = $ejaculation->ejaculated_date
+                ->diff($previousEjaculation->ejaculated_date)
+                ->format('%a日 %h時間 %i分');
+        } else {
+            $ejaculatedSpan = null;
+        }
+
+        return view('ejaculation.show')->with(compact('user', 'ejaculation', 'ejaculatedSpan'));
     }
 
     public function edit()
diff --git a/resources/views/ejaculation/show.blade.php b/resources/views/ejaculation/show.blade.php
new file mode 100644
index 0000000..37b3311
--- /dev/null
+++ b/resources/views/ejaculation/show.blade.php
@@ -0,0 +1,97 @@
+@extends('layouts.base')
+
+@section('content')
+<div class="container">
+    <div class="row">
+        <div class="col-lg-4">
+            @component('components.profile', ['user' => $user])
+            @endcomponent
+        </div>
+        <div class="col-lg-8">
+            @if ($ejaculation->is_private && !(Auth::check() && $user->id === Auth::user()->id))
+                <div class="card">
+                    <div class="card-body">
+                        <span class="oi oi-lock-locked"></span> 非公開チェックインのため、表示できません
+                    </div>
+                </div>
+            @else
+                <div class="card">
+                    <div class="card-body">
+                        <!-- span -->
+                        <div class="d-flex justify-content-between">
+                            <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 (Auth::check() && $user->id === Auth::user()->id)
+                                <div>
+                                    <a class="text-secondary timeline-action-item" href="#"><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="{{ $ejaculation->ejaculated_date }}"><span class="oi oi-trash" data-toggle="tooltip" data-placement="bottom" title="削除"></span></a>
+                                </div>
+                            @endif
+                        </div>
+                        <!-- tags -->
+                        @if ($ejaculation->is_private) {{-- TODO: タグを付けたら、タグが空じゃないかも判定に加える --}}
+                        <p class="mb-2">
+                            @if ($ejaculation->is_private)
+                                <span class="badge badge-warning"><span class="oi oi-lock-locked"></span> 非公開</span>
+                            @endif
+                            {{--
+                            <span class="badge badge-secondary"><span class="oi oi-tag"></span> 催眠音声</span>
+                            <span class="badge badge-secondary"><span class="oi oi-tag"></span> 適当なタグ</span>
+                            --}}
+                        </p>
+                        @endif
+                        <!-- okazu link -->
+                        {{--
+                        <div class="card mb-2 w-50" style="font-size: small;">
+                            <a class="text-dark card-link" href="#">
+                                <img src="holder.js/320x240" alt="Thumbnail" class="card-img-top">
+                                <div class="card-body">
+                                    <h6 class="card-title">タイトル</h6>
+                                    <p class="card-text">コンテンツの説明文</p>
+                                </div>
+                            </a>
+                        </div>
+                        --}}
+                        <!-- note -->
+                        @if (!empty($ejaculation->note))
+                            <p class="mb-0 tis-word-wrap">
+                                {!! Formatter::linkify(nl2br(e($ejaculation->note))) !!}
+                            </p>
+                        @endif
+                    </div>
+                </div>
+            @endif
+        </div>
+    </div>
+</div>
+
+@component('components.modal', ['id' => 'deleteCheckinModal'])
+    @slot('title')
+        削除確認
+    @endslot
+    <span class="date-label"></span> のチェックインを削除してもよろしいですか？
+    <form action="{{ route('checkin.destroy', ['id' => '@']) }}" method="post">
+        {{ csrf_field() }}
+        {{ method_field('DELETE') }}
+    </form>
+    @slot('footer')
+        <button type="button" class="btn btn-secondary" data-dismiss="modal">キャンセル</button>
+        <button type="button" class="btn btn-danger">削除</button>
+    @endslot
+@endcomponent
+@endsection
+
+@push('script')
+    <script>
+        $('#deleteCheckinModal').on('show.bs.modal', function (event) {
+            var target = $(event.relatedTarget);
+            var modal = $(this);
+            modal.find('.modal-body .date-label').text(target.data('date'));
+            modal.data('id', target.data('id'));
+        }).find('.btn-danger').on('click', function (event) {
+            var modal = $('#deleteCheckinModal');
+            var form = modal.find('form');
+            form.attr('action', form.attr('action').replace('@', modal.data('id')));
+            form.submit();
+        });
+    </script>
+@endpush
\ No newline at end of file
diff --git a/resources/views/user/profile.blade.php b/resources/views/user/profile.blade.php
index 296fde1..d76cef6 100644
--- a/resources/views/user/profile.blade.php
+++ b/resources/views/user/profile.blade.php
@@ -6,7 +6,7 @@
         <li class="list-group-item border-bottom-only pt-3 pb-3">
             <!-- span -->
             <div class="d-flex justify-content-between">
-                <h5>{{ $ejaculation->ejaculated_span ?? '精通' }} <small class="text-muted">{{ $ejaculation->before_date }}{{ !empty($ejaculation->before_date) ? ' ～ ' : '' }}{{ $ejaculation->ejaculated_date->format('Y/m/d H:i') }}</small></h5>
+                <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 (Auth::check() && $user->id === Auth::user()->id)
                 <div>
                     <a class="text-secondary timeline-action-item" href="#"><span class="oi oi-pencil" data-toggle="tooltip" data-placement="bottom" title="修正"></span></a>
diff --git a/routes/web.php b/routes/web.php
index 704bc30..0619786 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -25,6 +25,7 @@ Route::get('/user/{name}/okazu', 'UserController@okazu')->name('user.okazu');
 Route::middleware('auth')->group(function () {
     Route::get('/checkin', 'EjaculationController@create')->name('checkin');
     Route::post('/checkin', 'EjaculationController@store')->name('checkin');
+    Route::get('/checkin/{id}', 'EjaculationController@show')->name('checkin.show');
     Route::delete('/checkin/{id}', 'EjaculationController@destroy')->name('checkin.destroy');
 });