I'd also expect that but somehow there's very few art in the 2.5_jigen_no_ririsa tag alone. (101 on , 213 on gel).
That said most surprising to me in current season is vtuber_nandaga_haishin_kiriwasuretara_densetsu_ni_natteta somehow having only 15 images on and somehow the only lewd ones are the guest_art.