Chou to Hana no Kankeisei

Volume 1 1-2. Chou to Hana no Kankeisei (蝶と花の関係性); Reijin uno! Vols. 49, 51 Sakutarou Hanada, a new employee at a company, meets the carefree yet earnest Chouno, who is different from the strict seniors he had before... in more ways than one. 3. Himitsu no Koi no Todokesaki (秘密の恋の届け先); Reijin uno! V