I commend the author; They managed to at least make this story average, considering the lacking worldbuilding and characterless characters. The idea of there being "hearts" like the [Heart of Sagacity] and whatnot as an alternative of Classes is quite novel, but not well thought of. It would be...
This is good, well at least for me. The dynamics of the ML and FML are quite interesting to read, though the usage of something called love charms bugs me a bit. All in all, a decent read.