Koi Kaze

Saeki Koushirou, a skilled wedding planner, struggles to commit to love due to his complicated family background. His father is his primary caregiver, and he has a mother and sister whom he has not seen in years. After a chance encounter, Koushirou develops new feelings for a female high school student, but discovers she is actually his long-lost sister. As they live together with his father, Koushirou's emotions become increasingly conflicted.