In Naruto with the Flame-Flame Fruit - Chapter 446: The Allied Shinobi Forces

After losing his parents to the apocalypse, Silas only wished for one thing. To awaken a powerful mutant ability and purge the earth of any iniquities. However, his dream was shattered when he failed to awaken any mutant ability on the day of the awakening. He was bullied by his peers. However, when all hopes were lost, Silas awakens a system. [Silas Griswold has met all requirements to become a host] [System binding... ] [To complete binding host needs to complete three quests] [Congratulations, you have completed all quests ] [System binded successfully] [Your evolution will now begin!]

Akira Kisaragi traverses into the Bleach world, unlocking a check-in system.He initially thought that by checking in daily, he could become stronger, soon become the Captain-Commander, join Division Zero, punch Yhwach, kick the Soul King, and marry Unohana...However, the system's style wasn't quite what he had imagined.〈 Check-in complete, obtained Genryūsai Yamamoto's secret roasted sweet potato! 〉〈 Check-in complete, obtained exclusive attribute: King of Normal Attacks, effect... 〉〈 Check-in complete, obtained Retsu Unohana's... 〉Akira's eyes suddenly lit up!“Seems like this might not be so bad after all!”

This stands at the forefront of strategy guides to Life (a shitty video game)!

“201th, 202nd…”Zhou Can, an Intern of Tu Ya Hospital, a Grade A Provincial Tertiary Hospital, would silently count every stitch he finished.His target today was to complete 300 stitches and fight for a place in the House Officer recruitment two days later.[Congratulations on completing your 100,000th suture and triggering the EXP system. Medical skills and surgery practice can be obtained.]Zhou Can shook his head hard.What the hell is this?Something even more magical happened as he thought about it.An interface appeared in front of him.[Zhou Can, Intern.][Pathology Diagnosis, Level Two. Current EXP: 89.5/100. Outstanding House Officer-level diagnosis ability.]A surgical legend was in the making.