Yōkai Island

● "Vincent is an online English teacher looking for something to distract him from the recent breakup with his girlfriend. When his brother Brent, and Brent's girlfriend Amira, invite him on a boat trip to the isolated, and haunted, Yōkai Island. is believed to be haunted. The boatman getting Vincent's group across the lake warns that the island is dangerous, and threatens to leave without them if they don't come back before nightfall. What starts off as harmless exploration of an abandoned island turns into a struggle for survival as the group soon realizes that the boatman was right. By then, they no longer have any means of escaping Yōkai Island." ― quoted from this book's Amazon product page as of 2022-07-25.