Douteimaku Shounen

Jinguuji Toru is a young man who lives locked up and guarded, he is forbidden to have physical contact with anyone else because he suffers from a rare disease; sad and lonely spend their days until, a new gardener arrives at the house, Wataya Ryouga, is a cheerful young man who seeks the friendship of Toru and so day after day he looks for it until Toru's apathy and distrust ... The days pass and together they see an AV that causes Toru to confess his great secret to Ryouga ... "He is unable to ejaculate without being fucked from behind ...."