My (heart's) remaining life is only one year! Until then, I will create... the ultimate "yuri sketchbook"! Kokoro, who has a political marriage decided upon her high school graduation. Such a marriage is akin to "death". To find solace after death, she fantasizes about various yuri scenarios involving the girls she sees around town! "There are 3.6 billion women in this world. Therefore, it’s not an exaggeration to say that there are over 1.8 billion types of yuri on this planet!"