Naruto: The Sage Of Loan Path

Use now, pay later, enjoy the Shinobi World life with a loan!
In a sudden twist of fate, Takuya Kato finds himself transported to another world and becomes Dan Kato's distant nephew, where he is equipped with the Loan System.
[Loan One: Obtain Wood Style Kekkei Genkai]
[Repayment Methods: 1. Marry Tsunade. 2. Become the Clan Head of the Senju clan. 3. Kill Madara Uchiha.]
[Loan Two: Obtain The Eternal Mangekyō Sharingan.]
[Repayment Methods: 1. Become The Clan Head of the Uchiha Clan. 2. Kill Hashirama Senju.]
[Loan Three: Obtain the Nine-Tomoe Rinnegan.]
[Repayment Methods: 1. Become the Clan Heads of the Senju, Uchiha, and Uzumaki Clans. 2. Marry Members Of The Senju, Uchiha, and Uzumaki Clans.]
Takuya Kato: "I'm laying all my cards on the table. I'm going to borrow loan after loan until I reach the highest level. I'm going to become the Six Loan Sage!"
"What? If I complete them, I'm the Six Loan Sage; if I can't, then I'm the Six Deadbeat Sage!"