The Melancholy of Haruhi Suzumiya New Character Song Vol. 4 Itsuki Koizumi (新キャラクターソング Vol.4 古泉一樹), is a CD featuring the new character songs for Itsuki Koizumi. 1. * : I said: "What a boring story". "Tsumaranai Hanashi Desu yo" to Boku wa Iu (「つまらない話ですよ」と僕は言う) 2. * : Its just a secret. Tada no Himitsu (ただの秘密) 3. * : I said: "What a boring story". "Tsumaranai Hanashi Desu yo" to Boku wa Iu (「つまらない話ですよ」と僕は言う （off vocal）) 4. * : Its just a secret. Tada no Himitsu (ただの秘密 （off vocal）)