frozenspring's manga / #train(2)

https://newtoki95.com/webtoon/12605097?stx=%EC%9E%A5%EB%A5%B4%EB%A5%BC+%EB%B0%94%EA%BF%94%EB%B3%B4%EB%8F%84%EB%A1%9D+%ED%95%98%EA%B2%A0%EC%8A%B5%EB%8B%88%EB%8B%A4&title=%EC%9E%A5%EB%A5%B4%EB%A5%BC+%EB%B0%94%EA%BF%94%EB%B3%B4%EB%8F%84%EB%A1%9D+%ED%95%98%EA%B2%A0%EC%8A%B5%EB%8B%88%EB%8B%A4