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! Vol. 45 4-5. Kimi ga Sunao ni Nareru made (きみがすなおになれるまで); Reijin uno! Vols. 46, 57 6. Chou to Hana to Sunao ni Nareta Koibitotachi (蝶と花とすなおになれた恋人達); kakioroshi Volume 2 7, 10-12. Chou to Hana no Chuudokusei (蝶と花の中毒性); Reijin uno! Vols. 72, 86, 96, kakioroshi 8-9. Chou to Kumo no Su (蝶と蜘蛛の巣); Reijin uno! Vols. 78-79