How is the online micro-end making money?

How is the online micro-end making money?

“Y-Yeah? What can I do otherwise?”

“I see. …But, if that’s the case, why…”

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During this time, Mii slowly pointed to the reception and got me at my weak point triumphantly. Her innocent yet piercing words really make me feel that she’s related to Main-nee-san.

“Why did onee-chan give the registration card to the dentist too?”

“Ugh…!”

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I can’t help but mumble. …Indeed, right now, …we’re at the nearby dentist.

Mii rolled her watery eyes and looked up at me.

“I’m here to do my routine check-up. Is that the same for Aguri-nee-chan too?”

“Ugh, ys. I guess…so.”

I looked away and answered with a face full of sweat. Then, Mii continued her interrogation. She’s really Main-nee-chan’s sister.

“Well, well, I saw Aguri-nee-chan opening your mouth in front of the mirror for a long time. I can hear your sighs too. Is that irrelevant to what’s happening now?”

“I…I don’t think so.”

“Really. …Well, Aguri-nee-chan tried a bunch of chocolate because you want to ‘make’ them. Is that irrelevant too?”

“…Yes.”

“…Really? …………”

‘…Sorry, I have a tooth decay.”

I revealed the truth before plopping my head down and apologizing to a 7-year-old child.