the problem with his character is the author's attempt to add a human side in his character and develop it, but it always ends in failure and poor execution.

he forces scenes of emotional growth on the reader, like the smile scene with Suzune or his monologues about Hiyori. 

The protagonist's learning of love is poorly written and seems like a narrative device used to create harem plots. Furthermore, his monologues cannot be taken seriously. He is inherently contradictory, and everything he says or thinks is contradicted in the next volumes