Because of a frightening experience three years ago, the boy Sata Senda became a compulsive cleanliness freak. As he has anti-bacterial spray and mask as standard equipment and doesn’t allow any form of close contact, he has no friends… Thus came the summer of sixth grade. Sata, who has been half forced to participate in the school trip, arrives to the meeting place completely wrapped in a protective suit?!

From Shinnen:
The Hachiouji family hunts demons in the darkness. The heiress of the Hachiouji family, Takamichi, lost her older brother at a very young age. She isolates herself, but, one evening, two werewolf pups are given to her. After just a few years, they have grown quickly, and they even go to the same senior high school that she does!

Shinigami Ai is bored with his job and to seek enjoyment he has an interest in high school girl Ren who only has days left to live. She is the student council president at her school and really a good-hearted girl, but she is feared by the whole school because of her harsh way of speaking. Ai possesses her body and and exposes her kind, true nature and so enjoys his "Sarashi Asobi (Exposing Game)". But gradually he is starting to feel and interest in being with Ren...
(Source: Karma Falls Scanlations)
Includes the one-shot "0.3 Byou Lunch (0.3秒Lunch)" originally published on Dec 15, 2007.