Level 0 no Munou Tansakusha to Sagesumaretemo Jitsu wa Sekai Saikyou desu: Tansaku Ranking 1-i wa Nazo no Hito
Battle Fever J
Taiyou Sentai Sun Vulcan
Hikari Sentai Maskman
J.A.K.Q. Dengekitai
Baoqian, Youxitong Zhende Liaobuqi
By chance, the protagonist got a broken system. It didn’t matter, though. A broken system turned out to be better! By posting his own quests, whenever and however he wanted, the protagonist was heavily rewarded each time when a quest was completed. “I’m going to catch 10 mice tonight.” (Source: Webnovel)