『熱血硬派くにおくん夢の合体スペシャル』 (Nekketsu Kōha Kunio-Kun: Yume no Gattai Special), or Days of Memories 2, is a Japanese Nintendo DS game developed by Million, released in 2007. It is the second installment of the Days of Memories series, which is a collection of dating simulation games based on the popular Kunio-Kun series of video games. The game follows the adventures of Kunio, the main protagonist of the series, as he travels through different time periods and interacts with various characters. Players can take part in various activities such as sports and other mini-games, as well as take part in conversations with characters and develop relationships with them. The game also features an online mode, where players can compare their progress with other players. The game's graphics and sound are very reminiscent of the classic Kunio-Kun games from the NES era, with a retro pixelated aesthetic and a chiptune soundtrack. The game also features voice acting from the original voice actors from the Kunio-Kun series. Days of Memories 2 is a great game for fans of the classic Kunio-Kun series, as it offers a unique and nostalgic experience. Players can enjoy the game's unique time-traveling story, as well as its various activities and mini-games. It's a great game for those who want to experience the classic Kunio-Kun series in a new way.