Cast Introduction

[Book 1 of 3 - SP] ✓

Two girls. Different situations. Same problem.

"My boyfriend is dull," she said.
"My boyfriend is too cautious around me," said the other one.
"Wanna try swapping partner?"
"Excuse me?"

(An IZ*ONE x Seventeen ff: Nako, Yena, Seungkwan, Woozi; AU; contain a love square situation)