It could be that they are having a great time playing together and something made them burst out laughing. Or perhaps they achieved a goal they were working towards and are celebrating with laughter.
The implications of political cartoons related to school shootings can be significant. They can shape public opinion, influence policy decisions, and also offer a visual commentary that reaches a wide audience and forces people to think about the problem.
The idea of sex comic attack on Titan is inappropriate and not something to be entertained. The original work is known for its compelling story and characters, and such vulgar derivatives have no place and can even be seen as disrespectful to the creators and fans.