
How good is this? I heard it's harem—
is it bothersome?

Well so far, there's two, three, or four notable Female characters that are implied L.I.'s for the MC but truth be told it's borderline just there to make MC look good and there hasn't been any noticeable Romantic Feeling reciprocated from the MC's Side and continues more into the Shonen Protaganist motif and less of a Harem Protaganist thematic, if that makes any sense...
This chapter was perfection