The son of a wealthy family. When his grandfather falls ill he takes over as doctor of the local clinic. His stern appearance often scares patients, especially the younger ones. To win their hearts he gives out a parting gift after each examination- usually a small toy.

During this time he encounters Tanihara and takes an immediate liking to him. After revealing his sexuality to Tanihara they start a relationship.

Saji Takafumi deeply desires a steady and committed relationship, but often falls for flaky men. Because of this he often holds back as to not scare away his partners.