Reunion after a long absence + disability + slight yandere + the heroine is so loved
A soft and cute heroine pretending to be a pitiful heroine + a disabled (under treatment) low self-esteem, sickly and spoiled male protagonist
Note: I like you, as long as you are safe and healthy, so give me another chance
Concept: Everyone is free, and so is love. It's not that no one can survive without me, but I hope they will always love each other.