why do lines suddenly appeared

(This chapter belonged to a different book and the author just uploaded it here by mistake. My apologies.)

why do lines suddenly appear right here

'HOOT! HOOT!'

[Give me a second. Let me check that out for you.] 

Aiden who saw Hootie did something weird for the first could not help but stare at the bird with wide eyes.

"Don't be surprised anymore. That was her purpose aside from annoying me. She was capable of storing anything inside her by swallowing it and she could also take the item out at will whenever I needed it. Why would you even think I allowed her to stay beside me, in the first place? I am not keeping a useless bird for no reason. She was like my four-dimensional bag.

She even came prepared and got herself a loupe lens out of nowhere.

'HOOT! HOOT!'

[Found yah!]