what do you guys think of Koikimo

I've seen a lot of people call it pedophilia but I wanna know the mangago user's opinions. Also, here's a synopsis if you don't know what Koikimo is.

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Synopsis. Once you fall for someone, you can't stop the love. A strange encounter spurs the meeting of Amakusa Ryou, a high spec businessman who is loose with women, and his high school sister's best friend, Arima Ichika. ... This is a romantic comedy about a twisted elite employee and a normal otaku high school girl.