Due to the Dellinger Phenomenon, the sun has interfered with all signals and has caused technical difficulties worldwide. Because of this, the defenses within the hideout are turned off and the setting becomes dangerous. Reborn explains a little about the Negative Tre ne Sette rays and how the Arcobaleno are affected, and he fears for Lal's life because she is a defective Arcobaleno. She seems to be affected more than Reborn. Meanwhile, Lambo and I-Pin have gotten themselves stuck inside the second power supply room and become blocked in when the backup defenses are turned on. Lambo has destroyed part of the control and the room suddenly becomes dangerously overheated. Finally, it takes Tsuna in his Dying-Will Mode to open the doors and release the children.
Une éruption solaire déclenche une alerte de niveau D dans la cachette obligeant Gianinni à réparer les systèmes endommagés au plus vite. Pendant ce temps, Lambo et I-Pin se retrouvent coincés dans la salle du générateur de secours. Irie Shoichi, quant à lui, découvre que Leo, le nouvel intendant de Byakuran est un imposteur mais ne parvient à en informer ce dernier.
A causa del Fenomeno Dellinger, il sole ha interferito con i segnali causando problemi in tutto il mondo. A causa di questo, le difese della base dei Vongola smettono di funzionare.
十年后的了平，告诉众人即将要举行一场大规模的作战。阿纲受到众人的托付，必须在一天之内决定是否要参加这场作战。烦恼着这件事情的阿纲，总之先与狱寺等人继续进行训练，不过在走廊上撞见他们的蓝波不小心把手榴弹引爆，使得基地响起刺耳的警报声。
Lambo e I-pin ocasionan un fallo en el sistema de energía y están a punto de morir cocinados.
