i-adjective
regrettable to part with; reluctant to leave
Expresses a feeling of regret at parting from a person, place, or thing; often used when something enjoyable is ending. More emotional than 惜しい.
楽しい旅行も終わりに近づき、残り惜しい気持ちでいっぱいだ。
As the fun trip nears its end, I'm filled with a feeling of not wanting it to end.
彼
Parting from her was so hard that I couldn't bring myself to leave the station.