Hatsune no Naisho!! is an adventure game developed by Leaf and released on Microsoft Windows. Continue Reading → Jump to a section: Home Releases Credits Overview Walkthrough Achievements Cheats Hatsune no Naisho!! Brainwaves View all → Discussion Article Thought Review 100 Share Hatsune no Naisho!! with others Hatsune no Naisho!! Releases Credits Characters List Overview Walkthrough Achievements Cheats Updates
