One of the core four protagonists of Eternal Rain, also playing a prominent role in the TAKEOVER prequel and Eternal Rain's sequels (Eternal Rain: REVISITED, Eternal Storm, Keyholder Chronicles). He is the Keyholder team's leader.

Bio:
Takeshi lost his parents in a skirmish with a rival village and was taken in by his paternal grandparents.
He acts older than his age much of the time. Intelligent and driven, yet respectful, he has a balanced approach to leading the team of Keyholders.

Relationships with other OCs:
Yuki - his childhood friend who stood by him since his parents died
Mizuki - his teacher, leader and role model
Shuuichi - a friend that he admires for his honesty and integrity
Reka - his second-in-command/right hand and trusted friend
Sharon - his mentor in medicine and capable helper
Mara - an encouraging and supportive friend
Taki (Kobayashi) - views her somewhat like a mentee