Koi Sentai Love & Peace the P.S.P.

Monsters have taken to the streets and no one feels safe. The protagonist is caught in one such attack and saved by the men of the Koi Sentai — the Love Rangers. She is recruited into the team as Heart Pink Ranger, whose powers are Love and Romance. The mission: fight back the monsters. The side effect: spending a lot of time getting closer to her new teammates.