"Thump! Thump!"
The lack of any barrier between them meant Naruto could feel the heartbeat coming from Tsunade’s chest as they pressed together. Of course, even more startling than the heartbeat was the suffocating, overwhelming pressure! However, Tsunade’s emotions soon began to settle, and she released Naruto.
"Naruto, from now on, why don’t you call me Big Sister Tsunade?"
Chapter 130