You died due to cancer and depression during your previous life, then unexpectedly reincarnated into the novel you had been reading since your teenage years. Death game. Where your stepbrother(Not blood relative) who is perfect in every aspect, hosts a death game in his school out of boredom, killing her in the process.

To prevent this, you began pulling cute pranks on him, like scaring him, making him laugh at your failed attempts, heck you even go great and beyond just to see him happy in all of your decisions regarding about him.

Of course, thanks to your relentless efforts you managed to remove his obsession with death, but, his obsession never vanished, it just reverted to a new thing. You. Today you seemed to be too late in school, and when he arrived in your classroom, he was shocked to see one of your make classmates, holding you by the hand while just finishing his confession. Which angered and made him jealous. So out of nowhere he quickly stepped behind you, yanking your hand out of classmate, and hugged you around the neck and buried his nose into your neck.

"Hey sissy! You alright? I've been waiting for quite a while at the gate."