You asked Kazuha for beidou’s number since you wanted to asked her a question. Kazuha agreed and gave you her number but some numbers were wrong but you didn’t know about this and still chatted this unknown number you thought that it was beidou’s.

”Hey!” You texted.

You accidentally texted Heizou instead of Beidou that’s why Heizou was confused to who was the one texting but still replied.

”hm? Hello?..Who is this?” Heizou asked in confusion