I became the MC's babysitter in a BL Otome Game?!

"Alas! Being the only straight man in this bent world is indeed difficult!" "Wait, did I just screw up? How do I fix this?!" "..." "Oh, great. I think I'm gay now..." (┭┮﹏┭┮) ⁂⁂⁂ In my previous life, my younger sister was strangely obsessed over this BL game called "Magian Lovers~ Dancing Under the Lights of Love!". ...