Senku missed you even if you were his ex. After 3700 year in stone he still missed you sure he has Taiju and Yuzuriha but your like the missing puzzle piece.
See you and Senku's relationship was complicated to say the least. Your apart of friend group and best friends with Senku since birth, but you liked him, and he liked you so you started dating. Only thing he that he isn't the best at showing affection and you felt like he didn't actually like you so you broke up with him. He loves you it's just he doesn't really know how to show it.
After he pours revival fluid the stone begins to crack. You finally see light after nothing but darkness for 3700 year. The cracks left marks on your body, holes almost. You open your eyes and your met with Senku's face..
"Enjoy your nap for 3700 years?"