[Wen Ye] A painful ability

When I was suffering from dysmenorrhea, I prayed that I would no longer have dysmenorrhea, and suddenly dressed as a boy.Say goodbye to my aunt from now on.It also has the ability to make menstruation painful, which really makes the man shed tears.I, Shirase, is said to be the villain.I have introduced myself, thank you all.Thunder point: 1. The main character is female before time-traveling, and male after time-traveling. 2. The main character has facial paralysis/clear brain circuits. 3. The whole text is based on No.1, and occasionally switches perspectives. 4. Involving The Prince of Tennis/Touken Ranbu/Bungo Stray Dogs (mainly Fumino, with some other characters appearing) Content label: Zongmangender-switching boy Manwenye┃ Search keywords: Protagonist: Shirase┃ Supporting role: The group of Mafia at the port