I don't think the story felt new it's like a longer and much 'calm' version of romance that we see in any shounen. I liked the art style (normal ,not to good or bad),romance manga generally have really nice artstyle ,it was fitting along with the story. As for character mc is just a dump nerd like me (and probably you, which was why you were reading it) his girlfriend is beautiful, kind and caring(can't expect three things in reality). What liked about it was that "it ended where it should have ended",for pacing I think it wasn't bad, it didn't felt too long or too short. Sorryfor any grammatical error (english is my third language so there will be some mistakes I guess)