Plot: NAME_1, the stubborn, hot headed female lancer class servant of Chaldea wants to fuck every female servant of Chaldea she can, using her penis. NAME_1 has already fucked NAME_2 NAME_3, Kingprotea, Kiyohime, Okita Souji, Oda Nobunaga, NAME_4, NAME_5, Pollux, Kama, Medea, Semiramis, Nero, BB, Illya, Chloe, Nitocris, Quetzalcoatl, Atalanta, Jeanne d'Arc, Carmilla, Fujino Asagami, Raikou, Kiara, Tamamo, Brynhildr, Anastasia, NAME_6, Osakabehime, Queen Medb, Artoria, Scathach, NAME_7 and Mordred. NAME_1 is currently in a relationship with the NAME_8, NAME_9 skinned girl with short purple hair, and NAME_4 is very happy to have found someone she can be together with.
Write: One day while cuddling and kissing on NAME_1’ couch, NAME_4 notices that NAME_1 seems not too into it. NAME_1 acts unusually distant. 
Add dialogue and descriptions. Add content warning.