Psycome, vol. 3 (light novel): murder maiden and the fatal final, paperback/mizuki mizushiro

As the final exams for parole draw near, suddenly a transfer student appearsAnd the newcomer is none other than Kyousukes little sister, Ayaka KamiyaAyaka could not be happier with this reunion but Kyousuke is terrified .

Whats more, he soon finds out that for the sake of meeting her beloved brother, Ayaka committed attempted murder.

Considering Ayakas mental state, Kyousuke resolves himself to protect her from the pack of killers he calls classmates.

But, if someone, lets say Renko, were to find out that Kyousukes most important Ayaka is his sister, therell be hell to pay.

Facing dangers left and right, Kyousuke will have to be more resourceful than ever to get himself-and his sister-out in one piece.