This is a pure fanfiction and has nothing to do with the real life of idols or characters mentioned please don't give hate comment Read this story also on @yun0927915btsarmy. The new professor...... She's our stepsister????? Mature content 🔞.... Read on your own risk 😉 •••••••••••••••••••••••••••••••••••••••••••••• Started on :- 20/06/2022 Ended on :- 24/09/2022