![](https://image.tmdb.org/t/p/original/qsUok8WG94IQX8M7eLtVPO7KOH2.jpg)
![](https://image.tmdb.org/t/p/w342/fLyPNlu2Wq4cx1TAIqmcUiZRDYy.jpg)
Episode 4
After witnessing Sun get injured multiple times protecting him, Sky asks for Sun to train him in self-defense. Bank, Sky, and Sun begin preparing for an overnight service trip with their school club.
![](https://image.tmdb.org/t/p/w300/zrLAf1rtG2fYTSFFxhNTpDwFwFb.jpg)
![](https://image.tmdb.org/t/p/w300/78mhNsZBWlAiXbOvkHm4GzsQC3L.jpg)
![](https://image.tmdb.org/t/p/w300/zOsNGr54dxXwo70LKBdN1Fs8VmD.jpg)
![](https://image.tmdb.org/t/p/w300/tS1RbilNxzjIUrdJqvEcVNPftzl.jpg)
Other episodes for this season
![Episode 1](https://image.tmdb.org/t/p/w300/87rp4Uscdsprj3npRYM0BAyK7em.jpg)
![Episode 2](https://image.tmdb.org/t/p/w300/z4WWYct14UZFCLkjtOAAOVH3qfq.jpg)
![Episode 3](https://image.tmdb.org/t/p/w300/2fLfpWxkmBDRzwhpB15uMng7VDZ.jpg)
![Episode 4](https://image.tmdb.org/t/p/w300/qsUok8WG94IQX8M7eLtVPO7KOH2.jpg)
![Episode 5](https://image.tmdb.org/t/p/w300/4kY9c5kB9iScRx0zMfdVbtoqsyV.jpg)
![Episode 6](https://image.tmdb.org/t/p/w300/pUBqx5QHxl01J4GvXBwPUU3SzcP.jpg)
![Episode 7](https://image.tmdb.org/t/p/w300/5xoFkh4txypRiKJAo6fbF7SiV4y.jpg)
![Episode 8](https://image.tmdb.org/t/p/w300/AbtK0c3PhcRKicD658PEPZWlAa.jpg)
After witnessing Sun get injured multiple times protecting him, Sky asks for Sun to train him in self-defense. Bank, Sky, and Sun begin preparing for an overnight service trip with their school club.