Amalgam Of Distortion

this story is about a boy named rokumichi kusaba who wants to confess his feelings to yayoi hino, his childhood friend. unfortunately, after choosing the place to confess, he gets crushed by a train and loses his lower half. rokumichi then gets saved by a scientist who turns him into a monster instead of a regular human being. what is his life going to be like while being under the guise of a monster? and what will his childhood friend think?!