Pearl Kyoudai - Youkoso! Hitori Bocchi (Welcome to the NHK! OST)
Pearl Kyoudai (Welcome to the NHK OST) - Ikasuze! Positive Thinking
Pearl Kyoudai (Welcome to the NHK OST) - Ashita wa Tabun Daijoubu
Pearl Kyoudai (Welcome to the NHK! OST) - Youkoso! Hitori Bocchi
Pearl Kyoudai - Natsu no Nichi ni Youkoso!(Welcome to the NHK OST)
Pearl Kyoudai - Kagerou Ressha(Welcome to the NHK OST)
Pearl Kyoudai - Youkoso! Hitori Bocchi (Welcome to the NHK! OST) without singer
Pearl Kyoudai - Kagerou Ressha [Welcome to the NHK OST]
Pearl Kyoudai - Natsu no Nichi ni Youkoso!(Welcome to the NHK OST)
[A] Pearl Kyoudai - Youkoso! Hitori Bocchi (Welcome to the NHK! OST)
Pearl Kyoudai - Youkoso! Hitori Bocchi [Welcome to the NHK Instrumental OST]