i was rereading the side stories and noticed that the puppy (i forgot his name srry) said ...

i was rereading the side stories and noticed that the puppy (i forgot his name srry) said "stop teasing yout BOYFRIEND" and i got like werent they engaged so i started to notice their hands trying to see the ring and neither puppy or chiyoung have it.... im confused in where the side story takes place in the main story