Their 37th single in total since the S/mileage era! Their first new single in one year and two months is a double A-side single! One year has passed since Rin Ise became the 4th leader! It is also the first single for new member Momoha Nagano! Limited Edition Type B comes with a Blu-ray featuring the music video for "Ai ga Ai no Mama de Iraremasuyouni", Dance Shot Ver., and making-of footage.