I loved it, I found it accurate and honest. in fact I even have a feeble defense for the downplay of side characters: sequel. all of those side characters were really developed in the original novel: why do bad girls love to Dan.
"Definitely, tsundere. Tsundere loli. Feisty tsundere loli with guns. Not necessarily the best combination. " ... I realized during the "academy anime" era that I'd developed a thing for the pink haired Tsuns...
The main source for sexual depravity is Sueton, which was notorious for lying and falsifying history. He wrote mainly for entertainment and his work have more in common with fantasy than with historiography. He made his living with it.
The Christians later thankfully picked up his descriptions to prove the amorality of the Pagan emperors.