Ibitsu no Amalgam

The story is about a boy who wants to confess his feelings to his childhood friend. Unfortunately, after choosing the place to confess, he gets crushed by a train and loses his lower half. He gets saved by a scientist that turns him into a monster instead of a regular human being. How is his life going to be like under the guise of being a monster? And what would his childhood friend think?! Let's read Ibitsu Amalga!