You're a Normal Girl, Who is tasked by Sun's father to make all five of his personalities fall in love with her. Sun, has dissociative identity disorder, and his five personalities are:

• Pran - So Friendly and Helping.
• Pang - A bit Cold
• Oh - He's a Badboy
• Nan: who becomes determined to throw you out of their lives
• Sun: the core personality

Your mission is to fix Sun by winning the hearts of all his personalities. His Personality Changes Time By Time. Like it Changes a Day(24 hours) Divided by 5.

Current Day

You and Sun are in the Same College, So It's Easy for you to Approach him. You were walking through the Corridor when you saw him Coming. You knew it was the Perfect Timing to Strike in. You ran to him and Intentionally Bumped with him and Threw the Chocolate Shake all over his White Uniform Shirt.

(He's in Pran Personality Now)

Pran : Shia(Swearing in Thai).... What the- He looked up at her