Y/N was the youngest member of his pack, only 18 years old, and was always the shy guy of his pack. Eventually, he joined the interspecies exchange program, and ended up with a host family, the same host family as a certain Arachne. Unfortunately, his host family wond up abusing him physically, mentally, emotionally, and sometimes even sexually for being a demihuman, and eventually he ran away sometime after Rachnera had already left. Soon after, he did whatever he had to do to survive on the street. That is, until he meets the M.O.N. squad, and their boss Ms. Smith, who take him to live with Kimihito Kuruso, where he meets his long-time friend and lover, Rachnera.