so i listened to the original song and i dont think it was an adlib bc i heard really too but what junkyu did was he emphasized "really" in his tone with vibration and articulate pronunciation
“Mom~ I’m on stage! I will continue to be your mom’s proud son, so please watch me go to the top!”
Yoshi’s message to his mom 😭💕 I know she’s so proud of you! I’m so happy for Yoshi 🥺
https://t.co/s3nZQH7MvH