[Machine Translation] Happening to Mona who is looking for an opportunity to give chocolate to Medaka! This is the 15th volume of the "Valentine's Day Edition" of the great battle between girls in love! The strongest and most popular girl struggles against the guy who won't give her a chance! The most popular high school girl, who is extremely popular with the girls, is in love with a guy who won't get off on it! The only guy who doesn't get off is Medaka Kuroiwa, who appears in front of Mona Kawai, an extremely popular high school girl. Mona tries her best to make Medaka fall in love with her, but she finds herself falling for him! Valentine's Day has finally arrived! A special day to express your feelings with chocolate. Mona is looking for an opportunity, but... an unexpected happening strikes! What will happen to the "feelings" she put into the chocolate? The climax of the Valentine's Day story! The man who can't get it right, Medaka Kuroiwa, is in for a rude awakening! Volume 15 is full of surprises and excitement!