Comprehensive Manga: Survival in the Wilderness Begins

I, Nangong Mohan, am a time traveler, and I also have a system that feels useless... As a Mandarin teacher at a private Toyosaki school, my life plan is to successfully graduate all of the problem students before they become angry to death. While taking good care of the two younger sisters who live at home, I will find a gentle older sister to marry and spend the rest of my life. But... Something unexpected happened during a school trip. Nangong Mohan's life plan was disrupted, and he took three problem students to survive on a desert island. Kasumigaoka Shiu is writing light novels in class... Hei Zhen, who likes to talk back and resist... The idiot Jeanne d'Arc with poor learning ability... And surviving on a desert island is just the beginning of disrupting Nangong Mohan's life plan... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.