Nezu is a terrible teacher who makes fun of students who get bad grades. On the day he has to return his students’ science tests, he shows the entire class Tsuna's answer sheet, which has received poor marks. Gokudera is angered at Nezu for making fun of Tsuna and confronts him, but Tsuna and Yamamoto stop him from causing any physical harm. Nezu falls over and is angered; he blames Tsuna and his friends for his injuries. He says that they should be expelled. Thanks to Kyoko's pleading, Nezu will forgive them if they retake the science test and get good scores, but…
because they began burying time capsules
in the courtyard at that time.
weil man vor 15 Jahren damit begann,
sie im Innengarten zu vergraben.
porque en esa época empezaron
a hacerlo en el patio.
porque en esa época empezaron
a hacerlo en el patio.
Porque até 15 anos atrás, eles
enterravam as cápsulas no pátio interno.