A boy with low self-esteem grows up when he encounters the light, a bully abandons evil and turns to good, a gentle girl walks with the light; a bookmark, three bonds, mutual healing when they first meet, and passionate youth together.
When tenderness loses its warmth, Lu Qingyao falls into a lost way, and it is Yin Zeming who holds the light to save her, and takes Zhang Lei to the appointment of guardianship.
Two-way redemption + teenage friendship + ignorant heartbeat, from being illuminated to becoming the light, from walking side by side to protecting in reverse
