The Older Brother of My Student is My Secret Crush - Chapter 1: The New Class Teacher.

Su Yu, who was idly passing his days in a third-tier university, ended up in a terrifying unknown forest due to the “Sinkhole” incident. His school collapsed into the “sinkhole”. The forest was filled with various terrifying mutations, which started, right in his hands.

In his past lifetime, he was an exceptional prodigy who practiced both medicine and martial arts. In this lifetime, on earth, he used his superb medical expertise and extreme martial arts achievements from his past lifetime to excel in the medical field and the ancient martial arts world. He moved his way towards the pinnacle!

Hello, my fellow Tsunade enjoyers!Tired of MCs collecting more sharingans than Danzo?Had enough of Uchiha revenge plots and Konoha crush plans?Feeling hopeless because of yet another self-insert, wish-fulfillment garbage?Fear not!This book will recharge your Tsunadium daily!Enjoy real romance and peak comedy.Your favorite tsundere heroine is here!What are you waiting for?Get your Limited Edition today—only for 699 ryo!*Sincerely yours,Kakuzu.*(NO REFUNDS)---What to expect:Romance+comedy combo, with Tsunade as the female lead.MC is strong from the start but plays a supportive role.Not a system novel, though the MC technically has one.MC is a slacker and a flirt, but there’s no harem.Add to this a slight take on Hokage duties and politics.---It’s a translation, by the way, but I cleaned it up a bit.All credit goes to the original creators.Upload schedule: 1 chapter a day.If you're looking for the raw title or MTL, check out my pinned review below.