should make it rate M or not?

today yonghwa was back home after a month at china, 

yonghwa was humming "you are so fine" when he arrived at his apartment, because he knew that his girlfriend was there for him
"jagiya, oppa home..."yonghwa said after typed the code
"oppa, bogoshiposo"seohyun ran and hugged yonghwa entered home but not closed the door yet
"chinca? i never hear that on the phone"yonghwa hugged seohyun back
"because i just want to show oppa how i miss him when we meet"seohyun started to kissed yonghwa
"ehemm.ehemm...."bruce yonghwa manager still stood at the door
"hyung....."
"mianhe... bruce oppa"seohyun got shy and ran after bowed 
"i am still here yonghwa ya"
"mian hyung"
"okay, here is all of your luggage"bruce manajer-nim dragged all of yonghwa luggage

later at night

when seohyun tidied up yonghwa luggage she was opened her eyes wider
"aniya buin-ah, this one for my hyung, this one omma and appa, this one your parents, and this one for my dongsaeng i am even not buy anything for me"
"its because you got that super expensive watch"
"eh.. buin-ah. you hold my savings account and my main card right?"
"ehemmm"seohyun nodded
"so it all good right, now oppa is hungry and oppa see you make sushi and sashimi. must be delicious.."
"jonghyun oppa sent it i just do the plating, and he also give us a lot of fresh fish. he was a good cook and a good fisherman"seohyun said the part cook slowly
"yah...  he was just a good cook and i was a chef hyunah"
"yes you are, but just in the movie. weee" seohyun stick out his tongue

"should i show you how "good" i am, buin-ah"

cnblue practice room

"jonghyun hyung, where is yonghwa hyung?"jungshin asked
"last time i called him, he is on the way"
30 minutes later
"hyung, yonghwa hyung should be here now right?"jungshin asked
"wait a bit more jungshinah"minhyuk said
10 minutes later
"hyung......"
"jungshinah, you go to hyung studio maybe he is there to fix the new arrangements. if he is not there try to find him on caffetaria or at trainee practice room, if not there try to look at han sajangnim office too".
"why always me? you can ask minhyuk do this hyung".jungshin protested
"you said minhyuk your hyung thought"
"arrasho..."

yonghwa studio
junshin stood infront of yonghwa studio, he peek throught the key hole and it looked no one there but his curiosity lead him. he tried to opened the door slowly and the unlocked door opened. he was ready to scream but fortunatelly he can shut his mouth and slowly ran away.

cnblue practice room
"OMG hyung.. mihyukah.. you won't believe what i see. my chingoo uri hyungsonim"jungshin said it quickly
"wae?"minhyuk said
"are you just do sprint? i ask you to look for yonghwa hyung jungshin-ah"
"i did, but i can't. omg... hyung"
"waeeee?"
"just said it palli"jonghyun said
"uri shy and innocent hyungsonim... ohh dont believe it. she do that"
"yah.. palli"

scene one
a few minutes ago yonghwa studio
"oh oppa, stop teasing and just kiss me"seohyun said when yonghwa held her waist
"waeee, my buin so impatient today"yonghwa just kissed seohyun neck
"oppa...."seohyun suddenly fliped yonghwa and pinned yonghwa on the wall
"if you won't do the work let me do it"seohyun started ravished yonghwa lips and yonghwa just stood with his hand up his head surrender.