The famous tactician Zhuge Kongming (Koumei, Japanese transliteration) dies on the battlefield but finds himself transported 1800 years to modern day Japan, Shibuya. Seeing everyone dressed up for Halloween, he thinks he's been sent to Hell and decides to let the servants drag him around. When he arrives at a club, he meets Eiko...

Fourteen year old Kou Yamori has decided to skip school since he rejected a girl who confessed her love to him and has been harassed by her friends. He just wasn't interested in girls. One night he decides to sneak out late to enjoy the solitude of the desserted streets but meets a capricious girl in a dark cloak. Nazuna Nanakusa...