I Serve to Protect You (Various!Sirius the Jaeger x Fem!Reader)

"Mikhail, Yuliy, this is (Y/n). She's going to be staying with us from now on." Their mother explained. A young girl peeked out from behind the older woman nervously. "H-hello." The older son gave her a reassuring smile and a wave. "Hello! I'm Mikhail. Nice to meet you!" The young girl's blush grew on her face in embarrassment. She turned her head to the youngest of the three children. The young boy had his own small blush and gave her a small grin. "I'm Yuliy!"