// CW: Death, murder, hard-to-read scenes of your favorite characters dying, normal yandere shit //
After being friends with Sam for well over a decade, Sebastian noticed his feelings take a turn. He stopped seeing Sam as his dorky and kind of stupid friend that owned too much hair gel, and instead started seeing him as this tall, smiling ray of sunshine that made Sebastians day better.
Uncertain of his emotions, and Yoba forbid he tried to address his sexuality issues, he decided to bottle his feelings and ignore his thoughts about Sam. Sam was just his friend. Nothing more.
It wasn't long before Sebastians bottled up feelings turned against him. He switched from just considering Sam as a love interest occasionally, to not being able to think about anything but him. His thoughts constantly clouded with the idea of him and Sam, but he always shoved them away, which could have arguably been his sanity downfall.
His emotions got stronger, his thoughts got more repetitive, and his daydreaming got.. concerning.
His feelings just grew. His emotions just grew. Every time Sam did so much as brush passed him, Sebastian just fell more in love.
His random thoughts spiraled into a downright obsession. He couldn't take his mind of Sam. It was soon that he noticed not just everything Sam did, but everything people around him did. Every "friendly" shoulder punch, every joke, every glance.
He hated that people seemed to get so close to Sam when he was around, he absolutely hated it. His anger grew more and more and his jealously swelled.
He needed to fix it.
Transmigrated into DxD World-Kuoh Town, Hibari Kyoya. an average student, spent 18 agonizing years in the world fully aware of the dangers, knowing he is utterly powerless in a world of gods and monsters, Until...
[Ding! Sign-In System loading... 20%... 50%... 80%... 100%.]
Destiny, it seems.. has a cruel sense of humor. A [Sign-In System], long overdue, finally bursts to life within him, offering a chance at survival, a chance at power...
[Ding! Congratulations! You have received the Rainbow-Grade Gift Bag!]
...
He then started completing System's tasks, accumulating even greater rewards.
[Ding! Task completed. Reward: Perfect Rumble-Rumble Fruit (Weakness to water Removed).]
[Ding! Task completed. Congratulations to the host for obtaining the Flying Thunder God Technique!]