Predicted Duration

“It’s okay, Tsumugi-san,” Izumi says, waving a hand. “I was the one not paying attention to my surroundings. You were saying something about a myth?”“I know Citron-kun means well”—Tsumugi smiles at Citron, who gives a confused smile in return, hands now placed on his lap—“but it’s important to establish that it isn’t a fact.”Izumi must be more out of it than she thought. “Uh, what is?”With the patience of a saint, bless him, Tsumugi replies, “The idea of smiling to make yourself happier.”—Five times the Mankai peeps feel a shiver down their spine because of Tsumugi, and one time he feels it because of them.