Park Bo Gum is about to go all out in his preparations to take down Oh Jung Se on JTBC’s “Good Boy”! “Good Boy” is an action-comedy drama about a group of ...

Spoilers Previously in episode 7, Yoon Dong Joo (Park Bo Gum) and Ji Han Na (Kim So Hyun) made progress in their relationship, with Ji Han Na kissing Yoon Dong Joo first.

Space conditions accelerate gum disease, revealing risks for astronaut oral health and the need for dental care in future missions.