家でも学校でも居場所がなく「人生終わった」と絶望する中１・土屋悠人。留守気味だった隣人のバレリーナ・宮本琥珀が怪我で引退＆天涯孤独で帰国と聞き「俺より終わってそうなやつが見たい」と訪ねるが、なんかイメージと違うし、手がかかる人で…？
Yuto Tsuchiya is desperate that he has nowhere to live at home or at school and is desperately “life is over”. Neighbors ballerina Amber Miyamoto, who was absent from home, heard that she retired due to an injury and returned to Japan due to loneliness for the rest of her life.
