Shii-san is too cool. Also that was really nice of Rakkasei, although Rojica is pretty much her parent not all children would go that far to come up with a gift.
In chapter 4 we learned that Shii-san is an observation unit left by human before leaving to space, tasked to clean up/defeat the biological weapons roaming earth and report to human when earth is clean enough for human to come back.
Personally I’m getting alittle undertale vibe from this story
Lone innocent human wondering about in a world of monsters with a seemingly happy go lucky ally by his side that is actually ridiculous strong