yorozuya toukaidou honpo by saenagi ryou
from flap: "shima yoshitsune, an internet expert (hacker?) who runs the toukaidou main office of the "jack of all trades" detective agency, accepts a case from the popular model gyou, who is actually suruga kaori, to find a stalker. slipping behind the scenes into the modeling world swirling with desires, yoshitsune hastens to solve the mystery..!? after the affair, yoshitsune's "jack of all trades toukaidou main office" starts a partnership with kaori!"