Kunio Murai, a student in the 3rd grade and 4th class, lives with his mother. Moreover, her mother "Juria" is a beautiful woman, and she is still in her twenties.

　One day, when Murai heard from the girls in the class that "I saw Onizuka and Murai's mother together," Murai became anxious about Juria's behavior when she went out in a fashion that she wouldn't normally do, and secretly. Follow me.

　Onizuka desperately tries to open her heart when she learns of Reimi's loneliness with her eyes closed. However, Reimi confuses Onizuka by deliberately entwining her with a yakuza, perhaps because she can't believe her heart.

　When Reimi finally thought she was about to open her heart, Onizuka accidentally pushed her off the roof of the building with a donketsu!

　"Letter of misfortune" becomes popular at Seirin Gakuen. A mountain of misfortune letters arrive at Onizuka, but Onizuka, who does not believe in the curse of curse at all, burns it all. However, from that day, ominous things began to occur around him, and finally Onizuka fell into poor physical condition.

　Onizuka desperately tries to earn 8 million yen for the help of Kikuchi and Murai in order to take all the third graders to Okinawa as promised. However, such a large amount of money cannot be earned so much. Onizuka, who was in trouble, tried to borrow money from Ryuji because he lived and died a long time ago, but Ryuji gave him only one Fukubiki ticket. Onizuka pulled Fukubiki without motivation, but what he did was ...!

　Onizuka heard from Kikuchi about the hidden treasure of a hidden Christian near Ishigaki Island. The market value is 2 billion yen!

　Onizuka, who is completely blinded, tries to hit a mountain by using a pair of students in 3rd grade and 4th class. However, on the way to the destination, the group of Yoshikawa and Kyoko goes missing.