Summary:
While overall I found this series "ok" for laughs and gags, there are numerous writing tropes that I did not agree with the series, enough to distract me from the fun. I actually found Umaru to be okay, not as annoying as people make it up to be, although I definitely have issue with her. My main distastes are solely on the various cliche tropes this series uses.

Perhaps thing will get better in the spinoff S and sequel R series. No rush in watching those though.

What I like: Decently fun, Taihei is the best character in the series
What I dislike: Cliche tropes, basically nothing happens

Details: POSSIBLE SPOILER BELOW
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• Starting from our hamster Umaru Doma, a female who can switch between a persona of a perfect girl (cute, smart, and body wise seemingly healthy), to gamer girl with talents in both arcade and console games, to the lazy chibi mode we know: lazy, irresponsible, and unhealthy dietary wise. Yeah, good luck finding this kind of person in real life. Very unrealistic, almost borderline offensive.
• Aside from the unrealistic depiction, and her constant nuisance towards her brother,

she is actually quite hilarious on multiple occasions, so as long as she keeps her whining in check, I actually would not mind having more Umaru content. Plus, her chibi hamster design is unique.

• I wish Ebina has her own arc, separate from especially Taihei. Not saying they cannot be together, just that she needs other major traits other than crushing over Taihei
• Now comes the distasteful cliche tropes:

1. Every main female casts except Ebina have an older brother. How many times have we seen a female with an older brother in an anime? Now make it triple, basically 75% of the main female casts in the series have this trait.
2. The implication of brother complex with Sylphina. She is already unique without the brother complex trait, I do not see why she needs the trait.
3. The violent tsundere in Kirie. One of the most distatsteful form of comedy personally. We get it, she is awkward and needs friends, but I am never a fan of using violence as a media for comic relief, especially if it is done constantly.

• Extra comment for "okay" cliche trope:

1. Beach episode, pretty standard for slice of life
2. Sylphina ojou-sama persona, quite hilarious

• Aside from Ebina's backstory, I did not recall any memorable or major moments from this season, aside from one "game, game" rant from Umaru, that was hilarious.
• One of the few likeable characters is Taihei, very reliable and relatable, especially with his struggles with his sister's antics, has good interactions with his peers
• The discount product placements are funny, but are slightly too saturated
• Best character(s): Taihei Doma
• Worst character(s): Kirie