Little Sister, Please Trade Your Life for Mine

[One heroine + younger sister + daily life + school romance comedy + body swap] They lived under the same roof, yet remained as far apart as two parallel lines that would never meet. Then, one morning, they woke up in horror to discover that they had swapped bodies! From then on, their lives plunged into uncontrollable chaos. The unpredictable body swaps struck without warning, sometimes in the middle of an important exam, other times on a fiercely competitive sports field. Forced into each other’s worlds, they awkwardly navigated each other’s social circles while trying to keep their secret hidden. They glimpsed each other’s unspoken vulnerabilities and efforts, and were forced to reassess one another and get to know themselves anew. As the distance between the siblings gradually dissolves through their shared secret, what will happen?