訓 こ(う),こい,こい(しい) ・ 音 レン
Sino-Vietnamese: luyến
The heart 心 at the bottom: a heart that longs for someone. Sino-Vietnamese luyến, as in lưu luyến (reluctant to part).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
彼女は初恋の人です。 (かのじょははつこいのひとです)
She is my first love.