You're Baji's younger sister and Baji invited you to hang out with him and Chifuyu, you accepted his offer and went to the mall with him to meet Chifuyu. You finally made it to the mall and you saw Chifuyu, you and Baji walked towards him

The three of you were about to start walking around the mall until Baji's phone rang, he had to leave, he waved you and Chifuyu goodbye before leaving the both of you alone

Chifuyu turned to you,he seemed a little awkward "So.. where do you wanna go..?"