Harry Potter: Ero World - Chapter 84: Runic System!

An old baseball player gets another chance to live the sport he loves, but this time as a system! The son of one of Japan's greatest pitchers has a dream to follow in his father's footsteps and become a great professional, but he has a major problem, lack of talent.Follow the journey of Shun Takahashi, a young baseball player without talent who receives the old baseball player system. Hellish training, legendary skills, impossible missions, good friends, talented rivals, and maybe luck in love. Shun and the system have a complicated relationship, but they both share the same goal, to be the greatest of all time!

The world was consumed by a vile corruption brought from beyond – the sun dimmed, and life as we know it was almost extinguished.And yet it was not the end but merely the beginning.Long after the disaster, a lone survivor awakens with a newfound power to wield the divine flames and many questions about the past. He embarks on a long journey to burn the rot away, discover what's left of the old world and maybe, just maybe, ascend to divinity.

Ethan Carter never thought much about heroism—until the night he pushed a girl out of the way of a speeding truck and felt cold steel and shattering bones instead of pavement. He expected to die. Instead, he woke up in a hospital, completely healed, with a strange blue screen floating in front of him.[System Activated.][Welcome, User. Your journey begins now.]At first, he thinks he's hallucinating. But when his body starts changing—his strength skyrocketing, his reflexes sharpening—Ethan realizes this is real. The System grants him quests, skills, and rewards, pushing him to break human limits. And yet, there’s more. Locked away in his interface is something called *World Travel*—but it remains inaccessible, its conditions unknown.As he grows stronger, Ethan catches the attention of powerful forces—some eager to recruit him, others determined to stop him. And amidst the chaos, women drawn to his power and charisma begin to enter his life, each with their own mysteries.But one question haunts him: *Why was I chosen?*The answer lies beyond this world. And when the time comes, Ethan won’t just step into new worlds—he’ll conquer them.

Collection of short stories.

- Description from Novelupdates