"yokubomono" (欲望者, desirer) is the 18th single by japanese idol girl group nmb48. it was released on 4 april 2018. it reached number-one on the weekly oricon singles chart with 193,740 copies sold. it also reached the first place on the "billboard japan" hot 100. this is the first nmb48 single to sell less than their debut single in the first week.