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Manga Bookshelf

Discussion, Resources, Roundtables, & Reviews

zero damage sword saint

Zero Damage Sword Saint: I Enrolled in a Magic School and Wound Up in a Contract with the Demon Queen, Vol. 3

April 23, 2026 by Sean Gaffney

By Isle Osaki and kodamazon. Released in Japan as “Kougekiryoku Zero kara Hajimeru Kenseitan: Osananajimi no Oujo ni Suterare Mahou Gakuen ni Nyuugakushitara, Maou to Keiyakusuru Koto ni Natta ” by Overlap Bunko. Released in North America by J-Novel Club. Translated by Stephanie Liu.

The light novels are still ongoing in Japan, but the webnovel this is based on finished last month. The author gave their feelings about all the characters, and for Eugene they wrote, essentially, that they felt a little guilty, given that he was an incredibly cool swordsman who has a loving family and good friends who believe in him, as well as multiple beautiful lovers. The author has a point, this once again falls into the category of “if you like your protagonists to struggle, reading this must feel like acid in your veins”. But I dunno, it’s so unassuming I actually enjoy it more with every book I read. There’s a lack of surprise so far, but that fits – this isn’t slow life, but it’s almost the OP equivalent, and so we see Eugene go home to meet the folks with his new lover, make up with his childhood sweetheart (eventually), and save the world. As a treat.

Eugene is off to his home city, taking along Sumire, who is delighted she gets to ride an airship. Sara is trapped in the land of demon paperwork and will have to arrive later. Erinyes is, of course, still sealed in her “prison”. Sumire has an even easier time than expected, as it turns out Eugene’s dad is from not-Japan, and therefore his favorite foods are things like sukiyaki and bento boxes. Eugene’s father takes him to visit the palace, where he’s made a baron, and he also sees his ex Airi, who keeps trying to speak with him but gets prevented from doing so for some reason. He also goes to visit… no, not his mother’s grave, but a church, where he makes a very startling discovery about his origin and why he has his white healing magic. It’s also a good thing he’s there, as one of the legendary sealed beasts of the kingdom is becoming unsealed, and it’s up to everyone to do something. Even if that means sleeping with more girlfriends.

Like a lot of light novels these days, this has a lot of sex in it without actually being all that sexually explicit. We cut away before the deed is done. That said, the sex is a combination of “we both are really hot for you and have decided that this isn’t happening unless we both do this at the same time” and “sex will help our magic power up and save the world!”. In other words, patently ridiculous, but likely why a lot of folks are reading this. As for Airi, unsurprisingly she’s still in love with Eugene, never dumped him at all (the girl who made the catty remarks ends up getting mojo’d by Eugene to be his spy, in one of the more uncomfortable scenes in the book. Don’t do that), by the end of the book she wants to be one of the lovers as well, but circumstances will likely prevent that for a bit. Other than that… good sword battle, he’s a real sweetie, lookit all the babes.

We’re back to school/dungeon crawling next book, and I do wonder if the polycule (I’ll call it that as Sara and Sumire at least now seem to get along pretty well) adds anyone else or if this is it. If you like male fantasy … fantasy novels, this gives you what you want.

Filed Under: REVIEWS, zero damage sword saint

Zero Damage Sword Saint: I Enrolled in a Magic School and Wound Up in a Contract with the Demon Queen, Vol. 2

January 18, 2026 by Sean Gaffney

By Isle Osaki and kodamazon. Released in Japan as “Kougekiryoku Zero kara Hajimeru Kenseitan: Osananajimi no Oujo ni Suterare Mahou Gakuen ni Nyuugakushitara, Maou to Keiyakusuru Koto ni Natta ” by Overlap Bunko. Released in North America by J-Novel Club. Translated by Stephanie Liu.

I’ve talked before about McDonald’s books, and this series absolutely fits the bill. Some people read to stimulate their brain, to be drawn in by compelling plot and rich characterization. And some people just want to see the bland hero who could almost be themselves if they were in this world defeat every monster, get every girl, and have everyone think “gosh, I made fun of him before, but now he’s so awesome, I feel frustrated and humiliated”. This lacks the latter part, which may be why I’m enjoying it more than a lot of those “revenge on my high school classmates” books. Eugene continues to be the least interesting thing about this, but his supporting cast at least keeps me reading, and I’ll take a flyer on another book. The very definition of “It’s OK, I guess”.

We start with a POV from Sara, the student council president and Eugene’s former partner, showing how difficult it is to be a saint candidate, but more importantly how head over heels she is for Eugene. This helps to explain why all of a sudden she’s decided to accompany Eugene on his dungeon quests… because she’s seen how close he’s getting with Sumire, the isekai’d ifrit girl, and doesn’t want her getting too close. Sumire and Sara both regard each other as gorgeous women who could easily seduce anyone they wanted, but sadly this isn’t that kind of book, so rather than having belligerent sexual tension they just get jealous and “grr” a lot. That said, while both Sumire and Sara are very good at helping to get past monsters, in the end the main reason they’re doing so well is that Eugene can use Eri’s dark mana… and a nasty surprise awaits him at Level 100.

There is a good deal of plot involved here. Now that Eugene is accomplishing things and has dropped the “woe is me” attitude from the first book, we are reminded of his lineage, and also the power of working very hard, attack mana or no, so he is clearly a Man Of Destiny ™. There’s also some amusing angel/demon backstory here, as of course Erinyes is fallen, and she has a cute comedic conversation with the angel responsible for monitoring the dungeon battles. That said, the biggest plot advance was in the romantic potential. Last review I said Sumire better hope there’s polyamory in this world or else she’s doomed. Lo and behold… that said, calling it polyamory feels a bit much, given the poly ships we see here run on the women all hating each other but begrudgingly agreeing to share. “Harem” is more apposite right now. Most importantly, though, Eri can’t leave her prison (with an exception or two covered in the book), so when the book ends with Eugene being called home to visit his family, only the two public girlfriends get to accompany him.

Will we get the full backstory of his ex next time? Probably, and I bet she eventually joins the harem. Which I’m hoping gets closer to a polycule, I’d like some of these girls to actually like each other. For fans of light novels who want light, easy, and with a bit of fanservice.

Filed Under: REVIEWS, zero damage sword saint

Zero Damage Sword Saint: I Enrolled in a Magic School and Wound Up in a Contract with the Demon Queen, Vol. 1

September 27, 2025 by Sean Gaffney

By Isle Osaki and kodamazon. Released in Japan as “Kougekiryoku Zero kara Hajimeru Kenseitan: Osananajimi no Oujo ni Suterare Mahou Gakuen ni Nyuugakushitara, Maou to Keiyakusuru Koto ni Natta ” by Overlap Bunko. Released in North America by J-Novel Club. Translated by Stephanie Liu.

Yeah, this was another “take a flyer” title, and this one did not go quite as well as the Gyaru Vampire Hunter book. That said, I’ve learned with light novels that start off with everything I hate to give them till the end of the volume and inevitably the quality will slide back towards ‘generic light novel that exists’. So it is with this title, which began with someone getting a bad magic gatcha pull and so his life is ruined, everyone now jeers and mocks him, and his childhood friend and girlfriend dumps him. Now, in the present day, all he has to look forward to is that his supposed loser magic is so incredibly powerful that he can visit the sealed demon queen every week and have sex with her. Fortunately, things pick up, and I can’t believe I’m actually saying this, when a young girl is isekai’d into this world.

So yes, Eugene was the son of a famous swordsman, he was tops at sword mastery in school, engaged to the princess, whole world in his hands. Then he got white magic, which can only be used for healing and barriers. And not with swords, which this world’s mechanics require some sort of attack magic to go with it. Flash forward a year, and he’s in the general course at the magic academy, where everyone regards him as a failure pile in a sadness bowl, except any character whose name we have to remember. They all like him. Unfortunately, he hates himself, so that doesn’t help. Then one day a disaster appears at the 5th level of their giant tower dungeon – a cute girl is there, and has set the entire floor on fire. It turns out she’s from Japan, she’s now an Ifrit, and Eugene, because he has barrier magic out the wazoo, has to be her guardian.

You’ll notice I didn’t bring up the demon queen in that summary, mostly as she barely appears, beyond the start and the final battle. She’s there to take his virginity and be a deus ex machina. The other big downside to this book is Eugene himself, a sad sack who we’re supposed to feel bad for but we can’t break in as he’s too busy feeling bad for himself. Or at least that’s what the writing is trying to convey, because he tends to lack any real emotional heft at all. At one point he’s drawn by the illustrator to look exactly like Daichi in the fake magical idol anime Hoshiiro Girldrop. Please don’t have the same personality as a parody the Pop Team Epic guy thought up. The bright spot in the book is Sumire, who is likeable, empathetic, and does all the right things. I hope for her sake this world has polyamory, though, as she has “losing heroine” written all over her thanks to our demon queen. Mind you, she does better than the Student Council President *or* Eugene’s ex.

This apparently takes place in the same world as Full Clearing Another World under a Goddess with Zero Believers, but I haven’t read that, so have no idea. For fans of light novels where the hero is betrayed by his high school classmates, but instead of seeking revenge he just goes to community college instead.

Filed Under: REVIEWS, zero damage sword saint

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