My Unique Skill Makes Me OP even at Level 1, Vol. 4

Ryota has established a brand by utilizing his S-rank drop skill. In addition to his increasing recognition, his income is also drastically increasing with new items and a magic cart! Ryota is excited, but the level of trouble is also significantly escalating with things like being solicited by a mysterious handsome guy and being involved in a "magic storm" that makes it impossible to use magic?!