Responses
I think she's a university freshman. Someone here told me "nah, it's badly translated" but she mentioned Fu Dan, which is an actual Chinese university. It's confusing because it's implied that Yutong lost a year or half a year while "traveling back in time" in which he was actually just catatonic in his room, and in that, Yulin finished her third year and took the university entrance exam.
Okok so I think the younger sizter is not that far from their age? But i still dont blue hair guy would be the right partner lol some episodes suggests she's way younger when their in the "dream"