Nisekoi Episode 4: The Visit
Episode 4 of 20 of Nisekoi, aired January 31, 2014, 24 minutes. Available with English subtitles and dub where released.
Episode summary
Chitoge's Friend Notebook is helping her make friends. Onodera seems happy that Raku and Chitoge are such a lovey-dovey couple, even though she has feelings for him. Raku can't wait for Onodera to come over to his place for the study group he's having.