Midnight Secretary Vol. 5 (manga)
After Kaya's contract with Erde ended, Kyohei hired her to be his executive secretary at his new company, LVC. Working openly day and night with the man she loves is a dream come true for Kaya, but the honeymoon is short-lived. Mariko, the daughter of one of the LVC executives, has a long history with Kyohei and is determined to renew their special friendship. Can love conquer family ties and vampire politics?