Also known as Being Kept by Nagasaki Soyo While in Debt
When he woke up in a hospital bed, the man realized he had transmigrated and was nearly fifty million yen in debt. Fortunately, this world had a thriving music scene, and, most importantly, many hit songs from his previous life had never been released here.
Just as he rubbed his hands together, ready to cash in and use his righteous fists to reform the filthy, ugly adults, a girl walked into his life. Nagasaki Soyo dangled the key to his rented apartment from one finger and smiled at Asami Shin as he played guitar. "I'll take care of you from now on."
Faced with this gentle young woman, who had already moved into a top-floor duplex in Roppongi, Tokyo, despite her young age, and radiated maternal warmth, he swallowed hard and refused with righteous indignation: "I'd rather starve, die out on the street, or jump off this building than live off you!"
...Years later, looking at his bride with her arm linked through his, Asami Shin, lead singer and guitarist of the world's top band, genius music producer, and sales king of the new era's music scene, wore a blissful smile. "I take it all back!"
Nagasaki Soyo is the sole heroine + song plagiarism + the BanG Dream! universe
