A Couple of Cuckoos (Kakkou no Iinazuke) 21Special Edition with Erika Amano Collection 'Erikore'
A Couple of Cuckoos (Kakkou no Iinazuke) 20 Special Edition with Hiro Segawa Collection 'Hirokore'
A Couple of Cuckoos (Kakkou no Iinazuke) 15 Special Edition with Sachi Umino Mini Photobook 'Happiness for you'