Otogi Shinobu works at a real estate firm and he's actually half-human, half-incubus. He doesn't have a set partner and has been enjoying one night stands from which he collects life essence. One day, Hyouma, the son from a large corporation, the Ootori group, came in looking for a room to rent. Shinobu swiftly brought the young man for a private viewing in hopes of clinching a contract for a high-class property. However, Hyouma becomes affected by Shinobu's aphrodisiac scent, which actually should only be released when Shinobu's in a rut. This causes Hyouma to release a thick aroma of life essence that Shinobu has never encountered before and the delicious smell accidentally entices Shinobu into kissing Hyouma and..

"Why am I... masturbating next to my best friend...!?!?!" Hinamori Hikaru (Hina), a popular and ace employee in the sales department, has been secretly in love with his childhood friend and colleague, designer Hasebe So (Hase), for years. His heart flutters with excitement at the trivial interactions they have every day, but he has resolved in his heart that he must never let anyone find out about these feelings. Then one day, they are suddenly sent on a business trip together. Hina tries to suppress his excitement and pretend to be calm, but when he finds out they've even booked a room to share, his feelings threaten to overflow. He wants to touch Hase... he wants to be held by him... and as he thinks this, he ends up masturbating next to the sleeping Hase, only to be asked, "Can I do it with you?"...!? A quiet, secretly devoted, pure, frustratingly sweet, mutual unrequited love story between two office workers.