Tune In to the Midnight Heart
Oshimeter
Synopsis
Every night, a lonely kid named Arisu Yamabuki tuned into a mysterious radio broadcast hosted by someone called Apollo. Her voice was the one thing that got him through some rough times. and then one day, she just vanished. No goodbye, no explanation, nothing. Years later, Arisu is a second-year in high school, and he still hasn't forgotten. He transfers to Kaedebayashi High and joins the broadcasting club, convinced that Apollo might be connected to someone there. What he finds instead are four girls, each chasing a different dream in the entertainment world: one wants to be an announcer, another a voice actress, one's aiming for a singing career, and the last wants to host her own radio show. Any of them could be Apollo. Or none of them. The fun is in watching Arisu try to figure it out while genuinely helping each girl work toward her goals, all wrapped in that warm comedic-romantic energy where every interaction matters. The showbiz angle gives it more texture than your average school romance: you actually learn about broadcasting, voice work, and what it takes to put yourself out there. If you liked the mystery-girl dynamic of The Quintessential Quintuplets or the identity-guessing tension of Nisekoi, this hits a similar sweet spot. Gekkou's adapting the manga into a 12-episode TV series dropping in 2026, so it should be a tight, focused watch without a lot of filler dragging things down.
Episode Guide
MANGA BRIDGE
This season covers Chapters 1-24 of the manga. Continue reading from Chapter 25.

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I’m very happy to see each character express their feelings without saying them directly. Through the string telephone, the mysterious character Apollo also appears here. The plot twist of Shinobu Uzuki speaking in front of many people? What was she actually trying to say?!
It’s a really good show - just that it’s very draggy unlike Nisekoi or the quinteplets . Totally dig the art style too , just a little bit disappointed with the pace .
One of my favorite romance series. I don’t usually rate harems highly since most of them are just slop, but this series is extremely good, with a great balance between each of the girls. Not only do we get great heroines, we also have a chad MC who doesn’t just favor a single heroine, but actively helps all of them out. Artstyle-wise though, it’s pretty mediocre. If I were to compare it to the manga, it’s definitely an L. But that doesn’t make the animation bad—in fact, it’s pretty solid. I rate this series a 9/10. Chadbuki FTW!
What a nice finale for the series! I really love the emotional bond between Yamabuki and Rikka here. Yamabuki, as great as he is, isn’t perfect. I really appreciate how grateful Rikka is to him, even though things didn’t go well for them. That said, this is a big step forward.
Obvious fanservice again, but Iko’s costume suits her personality perfectly! She’s quickly become a personal favorite of mine thanks to how uncaring and nonchalant she is compared to the other FLs.
The club’s new program creates such relatable situations, and the characters’ reactions feel realistic. Watching these down-to-earth personalities grow and adapt is genuinely fun and surprisingly heartwarming to follow.
I feel like the animation slipped a bit this episode… lots of still frames and some funky drawings! Characters don’t feel as 3D with all the minimal movement, but the dialogue still carries the scenes, so it’s not unwatchable.
This episode shifts focus to Uzuki, who really feels like the “mother” of the group aside from Rikka. Her responsible nature is admirable, but it also makes her feel a bit distant, even with the clumsy moments that try to soften her image.
They’re leaning into the harem elements more, but the episode still emphasizes character growth. Watching the girls improve and support each other together feels genuinely heartwarming, and the progression gives the story a nice emotional core.
The main cast’s banter is just a blast to watch! Yamabuki's eccentric personality and prideful streak fit right in, making every scene feel lively and fun. These interactions keep the energy up and make the episode hard to look away from.
Iko finally gets her moment in the spotlight. Her calm, nonchalant personality contrasts nicely with the rest of the cast, and her coded friendship with the MC adds a refreshing dynamic that’s been missing so far.
This episode gives amazing insight into Iko’s struggles. She’s relatable in how she can’t fully express her emotions. Still, the shift from self-growth to her feelings for Yamabuki slightly derails her arc, though the emotional beats hit well.
At first, the episode felt like straight-up fanservice, but the character interactions and comedic beats made it surprisingly fun! The energy between scenes keeps things lively, and I found myself genuinely entertained despite the initial vibe.
Nene and the MC have a really lively dynamic, with their playful back-and-forth standing out. I’m curious to see more spotlight on the less-used characters like Shinobu and Iko. Particularly Iko, who feels fresh and interesting.
Yamabuki’s sudden, open-armed approach fits his personality perfectly, and watching Rikka gradually warm up to him felt both natural and enjoyable.
This episode really stepped up the animation! The body slam in the second half was fully fluid and impressive, and the color work really pops; especially the vibrant window lighting that immediately catches your eye.
Such awkward scenes between the MC and the female leads. Especially the joint confession scene in the broadcasting room, which felt really out of place and fanservice-like. It takes away from the fun atmosphere of the mystery and good characters.
All four love interests have their own charm and distinct personalities! The series already shows plenty of potential, with each character balancing their own career goals alongside familiar archetypes, making for engaging interactions.
The main character is instantly charming! His eccentric nature contributing to the series' unserious vibe. Though his interactions with the 4 girls are a little awkward to watch, especially when the group is all together..
Tune In to the Midnight Heart
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