[Machine Translation] Loved around the world, more than 4 million copies sold! Deepening night. Deepening love. And... a deepening mystery. Teruyasu and his friends arrive at Tsukasa's hidden village, Kyomaru House. Teruyasu, who does not know Tsukasa's secret, feels strange there. The mysterious basement and the relics of the past that lie beyond it. What words will Tsukasa and Teruyasu exchange in the lively passing night? Volume 20 offers a glimpse into the past of the girl who controls the history of mankind! (Recommended information from the editor) The second season of the TV anime that has the whole world in agony is now in production! The PV of the new episode "Uniform" is really cute! Enjoy the anime as well as the original story!