Yotsuba & !, Volume 6 (Yotsuba & ! #35-41)

Yotsuba's getting a biiiiike, Yotsuba's getting a biiiiiike!! Didja know the wheels of a bike go round and round and round and round and round and round and round and round and round and round and round and round and roun - oh, Yotsuba's getting dizzy... whoooooa...