1. Stepmother Friends.

Characters and Their First Appearances:

Chae-Yoon (Chapter 1)

Gyeong-Eun (Chapter 3)

Na-Yeon (Chapter 3)

Yu-Mi (Chapter 3)

2. Welcome to Kids Cafe.

Characters and Their First Appearances:

Sung-Hee (Chapter 2)

Jin-Yi (Chapter 16)

3. Cheer Up, Namjoo.

Characters and Their First Appearances:

Sunhwi (Chapter 7)

Eun-Ah (Chapter 28)

Ja-In (Chapter 29)

4. Circles.

Characters and Their First Appearances:

Nari (Chapter 30)

Yerin (Chapter 30)

5. A Different Class.

Characters and Their First Appearances:

Seol Hee (Chapter 30)

6. Boarding Diary.

Characters and Their First Appearances:

Hae-Jung (Chapter 33)

7. Is There An Empty Room.

Characters and Their First Appearances:

Bin-Na (Chapter 40)

8. Intern Haenyeo

Characters and Their First Appearances:

Hyeyeon (Chapter 44)

9. Keep It A Secret From Your Mother

Characters and Their First Appearances:

Soo-Yeon (Chapter 45)