Kuro no Nagusame.

Renta Takeda, A seemingly humble and introverted 17-year old senior high school student in Subarashi University, met the eccentric but gentle Kuroe.

Renta fell in love with her cause of her gentleness and maturity, of course, her admiring beauty, but Renta is completely a hopeless romantic, and he struggled to make the first move cause of his social anxiety. Renta seeks help to his friend Renji, a seemingly silent guy with a crazy attitude and developed confidence, and Renji gives advice to his friend to successfully approach the beauty.

With the two buddies attempts, they successfully approached Kuroe and befriended her. Together, they learned a bit of her past relationships and likes, and shared each other stories on a fateful day in the ramen shop. And from then on, the three would become bestest of friends.

But the question still remains: Will Renta overcome his weaknesses and had enough courage to confess? Will Kuroe succeed to find that lost kindle of her heart? To feel love towards another? Will the trio's relationship to one another lasts longer?

Join the story of the trio on how they survived university life, love, friendship, rivalries, hardships, traumas; and character development in this slice of life, action and romantic comedy series.