A/N before you proceed

Y/n is a music teacher, known for making music, and/or covering music and songs.
Now, your working days at school are over, and decided to take a trip with your friends to a famous mountain, namely Mt. Ebott.

That night, while everyone is sleeping, excluding you, you found a girl taking a walk on the mountain. Trailing her steps, you caught her jumping off. You hopped in after her, in hopes of her to survive the fall...

And now you realized, it was your long lost little sister!

Now things are gonna get awry.

But still,

You're filled with... no, not DETERMINATION...

But... with TRUST.

== + == + ==

Story: Finished ✅

*Bonus Chapters*
2 of them are DISCONTINUED (3/5)