[Light Novel] 15 x 24 Vol.1-6 COMPLETED

During New Year's eve in Tokyo, a boy decided to commit suicide with "17" whom he met on the net. However, his cellphone he used to contact "17" was stolen. His mail about the attempt of suicide from the cellphone was forwarded to 17-year-old boys and girls, that they began to search for the boy for certain reasons. This mail spread around the internet, that even crime syndicates started to notice it...