Detective Kouko Feels Melancholy

['Meitantei Kouko wa Yuutsu', '名探偵耕子は憂鬱', 'Detective Kouko Is Melancholy', 'Meitantei Kouko wa Yuuutsu', 'Meitantei Kо̄ko wa Yūutsu', '今天也是忧郁的名侦探耕子', '名侦探耕子的忧郁', '名偵探耕子憂鬱中', '名探偵耕子は憂鬱']