"Getting close to you means getting close to pain; staying away from you means staying away from happiness."
The story of Tsubakawa Rinri and Ling Ye in Kyoto
1. A pretend stay / adoptive brother and sister
2. The female lead is Chinese-Japanese mixed race.
3. The story is probably set when the female lead is between sixteen and nineteen. It has a bittersweet tone.
Theme: Don't let go of my hand in this mundane world.