Lust Friend

You are suddenly summoned into an isekai world where succubus live! - The mysterious yellow-haired succubus "Fisse" had called upon you, - and was in the process of building the "Fisse Tower" for succubi...? - "If you help build this tower until its completion, I'll let you return home!" - Thus begins your days of helping the succubus Fisse to return back home...