Season 1 (2019)
8.69 avg 32 episodes 7.7 → 8.9
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Dan Oh's Strange Symptoms | 7.7 | 130 |
| 2 | The World of Comics | 8.0 | 105 |
| 3 | Dan Oh, an Extra Character | 8.6 | 97 |
| 4 | Someone Saves Dan Oh | 8.4 | 110 |
| 5 | Do Hwa Becomes Aware of Himself | 8.8 | 87 |
| 6 | Summer Camp | 8.9 | 89 |
| 7 | Number 13 Finally Talks | 9.1 | 97 |
| 8 | Dried Squid's Warning | 8.8 | 86 |
| 9 | Let's Break Up | 8.7 | 82 |
| 10 | At Nam Ju's Birthday Party | 8.9 | 83 |
| 11 | Haru's Decision | 8.7 | 80 |
| 12 | Haru's Name Tag | 8.9 | 83 |
| 13 | Haru's Disappearance | 8.7 | 79 |
| 14 | Haru Appears Again | 8.7 | 85 |
| 15 | Haru's Dream | 8.6 | 75 |
| 16 | Trumpet Creeper | 8.9 | 79 |
| 17 | Haru is Back | 8.7 | 71 |
| 18 | Haru's Past Life | 8.8 | 73 |
| 19 | Kyung's Warning to Haru | 8.7 | 68 |
| 20 | Haru and Dan Oh's Promise | 8.9 | 69 |
| 21 | Dried Squid's Identity | 8.7 | 66 |
| 22 | A Transfer Student | 8.8 | 64 |
| 23 | Something Seems Off About Ju Da | 8.7 | 65 |
| 24 | Kyung's Proposal | 8.7 | 65 |
| 25 | Dan Oh's Condition Gets Worse | 8.6 | 65 |
| 26 | Haru is Afraid of Losing Dan Oh | 8.6 | 66 |
| 27 | Dried Squid's Past | 8.7 | 65 |
| 28 | Dan Oh is Still Sick | 8.8 | 65 |
| 29 | Ju Da's Decision | 8.5 | 66 |
| 30 | Dan Oh Regains Her Memory | 8.9 | 69 |
| 31 | Reconciliation | 8.8 | 67 |
| 32 | Seuli High School's 115th Graduation | 8.9 | 73 |