Busu ni Naranai Tetsugaku

"Busu ni Naranai Tetsugaku" (ブスにならない哲学; "The Philosophy of How Not to Become Ugly") is a 2011 song by Hello! Project Mobekimasu. The song is a collaboration between Hello! Project acts Morning Musume, Berryz Kobo, Cute, Erina Mano, and Smileage.