It was announced on the cover of Volume 14 of Nisekoi
that the anime adaptation will get a second season. More information will be announced in future issues of Shueisha's Weekly Shounen Jump
The anime's final volume
has an illustration that includes "See you soon," which hinted at the possibility of a sequel.
The first season
of the manga's anime adaptation aired from January to May 2014, and there are two OVAs
being released this October and next February.
Source: Scan via ANN
News submitted by Stark700
Nisekoi 2nd Season