Nectar.

Rowan lost her two parents as a child, but quickly gains a new family that loves her unconditionally. Rowan has a hard time as she adjusts to her new life, new family, and most of all her new school. But a troubled young boy named Atsura comes into her life and the two grow close quickly and become best friends. The two grow up with each other until one day Atsura's parents split, which leads to him moving away, leaving Rowan on her own again.

Years go and both kids are now adults, but their lives and their circumstances are different. But their love and friendship remained the same.