Sing To Me crossmare (DISCONTINUED)

sing me a tune please?

Cross pov

I was sitting in my room while humming one of my favorite songs,i then heard a knock at my door "come in"i said.i saw senpi come in.he looked like he was searching for something he then looked at me and said "cross....did you hear that?" I looked at him confused "hear what?" "I heard music of some sort...i liked the tune...do you know what it was" i then blushed a deep purple an said "i was just humming a tune" he looked at me for a few minutes then he asked "can you sing it for me?"

Nightmars pov

"Can you sing it for me?" I asked him he looked shock to hear that asked from me,he then blushed a little and smile "of course"

(This is the song)

After he sang the song someting started to beat in my chest it hurt alot i didn't know what is was but i knew i felt it befor i put my hand over my chest to feel what was the problem this pain was to much for me "S-SENPI ARE YOU OKAY?!?!?!" I heard cross say he looked like he was in panic "i-im ok im j-just gonna g-go now"as i left his room the pain started to fade a little.what was that pain?

Sorry that this is short eheh ^·^ ill try to make it longer