Ouran Koukou Host Bu dj - Inu to Ou-sama

Pairing: Tamaki Suoh x Haruhi Fujioka + Hiitachin twins Tamaki is tempted by seeing Haruhi-chan in her lingerie. Haruhi is oblivious to how he feels, and the two end up having sex. Apparently this is Haruhi's first time.. Brief appearance by the Hiitachin twins at the end of the doujin.