恋恋下午茶喂养指南 Simple Tea Time is an Art Book of Koishi Navigation: Desktop Youkai, Touhou Koi-Mystery, and also a commemorative album of the 10th anniversary of ChireiKenkyoinn.

· Including 21 large pages (42P) and 48 beautiful images

The downloaded DLC is viewed in the game 【root directory/DLC/Art Book - Simple Tea Time】