How Long Can I Survive After Traveling to Fantasyland?

An ordinary person, Chen Fei, accidentally traveled to Gensokyo and was caught by Yakumo Murasaki before he could recover. Chen Fei asked how long he could survive in Gensokyo, where monsters were as numerous as dogs and gods were walking around! ! ! ! ! ! ! ! ! ! ! ! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.