Watari-kun no xx ga Houkai Sunzen

The daily life of high school student Naoto Watari revolves around his little sister Suzushiro. As their parents passed away two years prior, the siblings have been passed from one relative to another, resulting in Naoto taking the most responsibility for her. Although things have not been easy for the two, Naoto is now content with living at their aunt's place.

This newfound peace is suddenly turned on its head when Satsuki Tachibana enrolls at Naoto's school. The two used to be good friends, but after Satsuki completely destroyed his family's garden, she disappeared from Naoto's life. Despite what happened, Satsuki seems to be making advances toward Naoto now that they have reconnected. Coupled with other people around him that harbor secrets, Naoto's desire for an idyllic life may be at jeopardy.

[Written by MAL Rewrite]

Ishihara, Yukari Main

Igoma, Yurie Japanese

Tachibana, Satsuki Main

Yano, Yumika Japanese

Watari, Naoto Main

Umeda, Shuuichirou Japanese

Umezawa, Makina Supporting

Umezawa, Megu Japanese

Watari, Suzushiro Supporting

Yano, Hinaki Japanese

Tokui, Shigenobu Supporting

Nakajima, Yoshiki Japanese

Watari, Tamayo Supporting

Oozora, Naomi Japanese

Abe Supporting

Saitou, Souma Japanese

Shimada Supporting

Yasuno, Kiyono Japanese

Maruyama, Rika Supporting

Ichimichi, Mao Japanese

Kurosu, Nobuhiko Producer

Ueda, Shinya Producer, Planning

Kuroda, Kenji Producer

Itou, Kousei Producer

Reviews

Feb 27, 2026

Steeves12

Recommended

This was AMAZING to watch, the spiral of what's going on and HOLY CRAP was just onpoint.
This is one of the few where i leave satisfied having watched. Also one of the few that could easy have another 3 seasons and i know i would not mind watching. I've watch so many romance anime and yet every single time without fail, you get left off with a "vague" ending, or some relay bad ending. Not this time, finally (and that's why this is for me a 10/10) you get closure, you get EXACTLY what you want for MC. This was GREAT to watch. Only thing ... is that some episodes where filler again, but i guess one can't help it.

10/10 - will watch again!

Reviewer’s Rating: 10

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Dec 28, 2025

Chamin99

Mixed Feelings

(Spanish review on my list)

Hmm, I have very mixed feelings about this anime, so I'm going to break it down into points to clarify my thoughts as I write.

The good:
- A well-rounded story that finishes what it sets out to tell.
- Characters who are, to a certain extent, somewhat human, who make mistakes and sometimes act impulsively.
- Secondary characters who actually contribute to the plot and aren't just there as filler.

The bad:
- Aside from the fanservice, which is normal in these anime, all the female protagonists are somewhat promiscuous. They practically throw themselves at the protagonist sexually throughout the entire anime (which makes it awkward ... since it's a romance anime).
- The initial relationship with the spoiled sister who wants to possess her brother, causing the protagonist trauma and insecurity, is dropped from one episode to the next without clear justification (discarding an interesting plot point).

-The third girl, the pink-haired one, is completely unnecessary. Her presence in the series is pointless; she's like that DLC you download for a visual novel—she's just there, but she has absolutely no bearing on the main story. The relationship they share isn't strong, and she disappears as if she were never there.
-Only the blonde protagonist had a reason to be more in love with the male lead because of their childhood history, but the other two fell in love for no reason at all...

In short, the soundtrack and animation aren't bad; the anime is acceptable, a romance story with some stumbles and the characters trying to improve. BUT the fan service and sexual comments throughout the series make it uncomfortable. Furthermore, the various themes introduced at the beginning have no impact, importance, or follow-up, which unnecessarily makes the story longer than it needs to be.

I think that by removing fan service and reducing the length to 12 episodes, along with cutting out the pink-haired girl, the sister's initial toxic relationship, and the constant references to having sex with the protagonist, the anime would have been much better... so... I don't recommend it, but if it catches your attention, it's not something to watch at home near your partner or parents because of the constant scenes that are difficult to explain. However, it's not all bad, and it has the positive side of finishing and tying up all the loose ends in these 26 episodes.

Reviewer’s Rating: 6

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Dec 26, 2025

Marinate1016

Not Recommended

Funny

For many years I thought Oregairu Kan was the worse romcom I’d ever seen, but I can now confidently say Watari-kun surpassed it. For 6 months I subjected myself to the torture of watching these episodes. Why? Well, I’ve never dropped anything and refused to let this garbage break that streak, no matter how much it infuriated me. Plus, you can’t make an informed and educated review on something if you haven’t seen it all. While it does improve slightly at the end, the characters in this show are all so frustratingly dumb and the story so poorly written, it’s not worth sticking around. I ... only sat through this because of my inability to drop shows and wishing, hoping, PRAYING that Ishihara got the happy ending she deserved. The average person doesn’t have the time to subject themselves to things they don’t like, so I’d highly recommend avoiding this show.

I’m not going to waste time giving this some flowery and well thought out critical analysis like I usually do with my reviews. This show is too bad for that. I’ll get right to the point. Why do I hate this show? Simple, the MC is a spineless coward and a pushover, the female lead who wins is predictable from the start(first volume cover gimmick) is so unlikeable she makes me want to vomit every time she’s on screen. They’re childhood friends and she’s cute so that totally justifies her stalking the MC and sabotaging his love life with the girl he’s had a crush on for years, right? According to Satsuki’s fervent and extremely loyal fanbase, yes. For me, this was so cringe and immediately got this show off on a bad foot. Satsuki constantly comes between Ishihara and Naoto and does everything in her power to make Ishihara, who already has issues due to past trauma, even more insecure. Yes, trying to seduce a guy you know has a girlfriend is wrong. Again, this gets brushed off because she’s attractive and the author tries giving her some sob story to make us empathize with her, I’m not buying it though. She’s a POS and even though we all knew the ending was going to be what it was, it doesn’t make me any less annoyed that it turned out the way it did. “Ishihara isn’t perfect either bro, stop putting her on a pedestal” yes, I’m quite aware that Ishihara is a flawed character who needed to work through a lot of issues in this series before getting in a relationship, however that does not negate anything I said about Satsuki. She still exasperated things and put Ishihara in some really difficult situations that didn’t need to happen if she just respected boundaries.

Speaking of boundaries, don’t even get me started on the whole possessive thing the MC and his sister had going on for most of the series. Now again, they explain this with some backstory about their parents and you’re supposed to empathize with Suzu, but empathizing≠liking or thinking something’s ok. This is still a very unhealthy and toxic dynamic that’s uncomfortable to watch for probably the first cour of the show. Thankfully, it gets better and Suzu does arguably have the best character development in the entire series, but for a while there, it was sketchy. The concept of boundaries is really important in the series overall, though as we see Satsuki struggle with them, Ishihara, Touki, the Kouhai love interest.. etc. Everyone in this show needed a nice therapy session for unpack all the trauma they went through. I get what the author was trying to do in making a broken, flawed cast especially since it’s a seinen story, but the problem is it’s just not good. Can anyone really look at this series and say Naoto was a good protagonist? Will he be remembered? No. If you liked this show, you found Satsuki attractive and wanted her to be happy, the MC, even with his growth in the last few episodes, is just utterly boring and uninspired. You know it’s a wish fulfilment story because none of these girls should’ve fallen for him.

Story’s weak, but the production values are just as bad. This show looks like a slideshow for most of its run and the few good episodes it has aren’t much better. The voice acting is decent, character designs are OK, but it’s a bad anime in production and writing.

I sat through this garbage so you don’t have to. I don’t regret it because I did like seeing those moments where Ishihara was happy and I liked a couple of the supporting characters, but this was just such a bad watch. I hate the main couple as individuals and as a couple, everyone acts like an idiot, drama for the sake of drama.. this felt like a shitty afternoon soap opera with none of the charm.

Watari-kun gets a very easy 1 out of 10.

Reviewer’s Rating: 1

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	Why are anime ratings in mid? this is a masterpiece bro zepl - Dec 28, 2025	38 replies	by Sceles »» Yesterday, 3:59 PM
	Poll: Watari-kun no xx ga Houkai Sunzen Episode 14 Discussion ( 1 2 ) Stark700 - Oct 3, 2025	65 replies	by Sceles »» Yesterday, 3:53 PM
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