Apparently if Nikke have sex and the sex partner cum inside, that Nikke will become more energize and the semen can be acted as coolant to prevent overheating for Nikke's when in combat.
It's Rumoured that Cummander semen is special and has abundant amount, so Folkwang thinks that this is the potent solution for her heat problem, so she's start doing gym program to increase sex performance and appeal to win cummander semen!
Full Resolution and Alternative version :
Link : https://mega.nz/folder/aAtRyQgK
Key: jo4ZUZfdNubDeT3HJs_QcA