This product includes vol.1-4 of the game software (the first half of the series). Each volume includes a new story written for the consumer game adaptation. Comes with a B2-sized tapestry, featuring the cover artwork illustration newly drawn by Studio Gogumi and a collection of illustrations newly drawn for the CS version production. In addition, it includes a perpetual calendar. The early pre-order bonus is a newly recorded drama CD (the contents are different from the last part). (CERO Age rating: To be determined)