AM 07:00.
Doma Residence, living room, at the dining table.
"..." Mashiro Shiina looked worriedly at Umaru Doma, who had nearly stuffed breakfast up her nose. "Sogo..." she began instinctively, but...
Facing Sogo Doma, who had one eye shut, ZZZ sounds coming from his mouth, yet still insisted on serving up cooking, Mashiro Shiina's sixth sense, combined with what had just happened, told her—asking Sogo, "What's wrong with Master Umaru?" probably would not get her an answer. No, she should ask a different question, such as, "Sogo, Master, what happened to you two?"
As for why things had turned out this way, they had to go back more than an hour.
After Hamster Umaru crossed her arms and forcefully exposed the fact that it was actually Onii-chan who wanted to take the day off, Sogo Doma, who never took the blame for others, declared, "Umaru, you're talking nonsense again. When have I ever taken a day off?" He just skipped school directly, okay!
"Onii-chan, the more you deny it, the guiltier you are. The proof is that Onii-chan just said, 'Aren't we taking the day off?' That alone fully proves that Onii-chan had already made up his mind to take leave, so..." Hamster Umaru reasoned, touching her forehead with one finger.
"There is only one truth: Onii-chan is the one who..."
"If that's what you think, then we won't take the day off today. We'll go to school as usual." Before Hamster Umaru could finish her famous deduction, Sogo Doma shrugged.
"Ehh!?" Umaru Doma let out a miserable cry as her famous deduction ended before it had even begun. "How can this be!? How is Umaru supposed to go to school after pulling an all-nighter...?"
"Umaru, if you enter deep sleep right now, then after subtracting the time for washing