Kimi no Kokoro ni Hi ga Tsuite

The thing that was locking up my heart was my "unconscious self" the whole time.

A married couple's disagreement, a high school girl with conflicted feelings about romance with a boy, new love found in one's 60s, and a high school boy interested in makeup... The protagonists have kept a lid on their feelings, thinking that they are out of the "norm" and that they should just hold back to avoid hurting their loved ones... Then, the ghost Flame, who lives off the "fire" that burns in human hearts, suddenly appears and finds the small fire that burns in their hearts, creating change in eight stories.

(Source: Kadokawa, translated)