Words Bubble Up Like Soda Pop, Vol. 2 (manga)

As Mr. Fujiyama recuperates, Cherry and Smile decide to hunt down the record he holds so dear. They ask around the mall, examining Mr. Fujiyama's empty album jacket for clues--but the breakthrough arrives when they identify the radio tower shown on its back side. Desperate for answers, the two make for the tower to see what secrets it holds!