“feelings / emotion” in Japanese is 情, read jou, sei, nasa (じょう, せい, なさ). It is a Grade 5 Kyōiku kanji, taught in year 5 of Japanese elementary school, and appears in words such as 感情 (emotion).
What does 情 mean?
友情を大切にする。
Same sound, different character — the classic trap. Compare them side by side: