4. Chouon wa Boinji no ue ni "^" wo tsukete arawasu. Nao, oomoji no baai wa Boin-ji wo narabete mo yoi. Nobasu oto wa kono Blog no Saisho no kakikomi de, kanazukai ni shitagau to kimete i-masu. Riyuu wa "ô" to kaku no ga tadashii to tonaet…