Rentarou has a horny girlfriend in Hakari, a tsundere in Karane, a bookworm in Shizuka, and a cool beauty in Nano. We’ve seen her in the OP and ED, and this week it’s finally time to introduce Soulmate #5: the eccentric chemistry buff, Yakuzan Kusuri. He’s being led down the hall by the others when he and Kusuri happen to lock eyes in passing.
However, their formal introduction isn’t without a few bumps, as he initially made eye contact with a voluptuous beauty, and when he visits the chemistry lab he finds cute tiny girl akin to Shizuka instead. We soon learn that while Kusuri loves Rentaro, drugs are a close second, as evidenced when she has him drink a drug that magnetizes him.
She drinks the opposite polarity magnet drug and ends up sticking to him, which is when Rentarou learns something else: due to her obsession with experimentation, Kusuri abhors wasting time leaving the lab to use the restroom…so she wears diapers.
When the magnetization wears off, Kusuri shows Rentarou a number of other colorful drugs, then confesses to him and asks to go out with him. When he starts wretching into the sink she’s crestfallen, but he clarifies that he doesn’t want to be under the influence of drugs when he accepts her feelings.
That said, in addition to the magnet drug, his tea contained a love drug, which affects him adversely and causes Bocchi-like convulsions. Thinking fast, Kusuri takes the neutralizing drug into her mouth then administers it to him with a kiss.
He recovers, but to Kusuri’s shock he still seems to be infatuated with her, turning them both beet red. She prostrates herself and again asks to go out with him, but both hair and body start to grow until she take on the busty form of the woman he first saw. Naturally, they’re one and the same.
The neutralization drug also cancelled out the failed immortality drug she takes to shrink to a smaller size, shorter hair, and improves her vision, which makes her lab work easier. Rentaro learns that she’s actually a third-year and thus his senpai. But now that he knows this is the girl he locked eyes with, he officially accepts her as his new girlfriend.
If Kusuri has a problem being one of Rentarou’s five girlfriends, she doesn’t bring it up, and the others are used to this by now, so she’s cordially welcomed. She’s even brought personalized drugs for her new polycule partners. Talk of a bust-enhancing drug angers Karane until she hears how Rentarou described her to Kusuri (slender, beautiful, cute and shy).
When given a “hot stuff” drug, Hakari imagines her already ample bosom and booty growing to absurd size, but instead the drug makes her skin literally hot—so hot it melts off her clothes and underwear. As Kusuri puts it, nothing’s hotter than your birthday suit.
Rentarou comes to the rescue with his used P.E. uniform, the smell of which Hakari enjoys a bit too much. Thinking of her love of fiction, Kusuri provides Shizuka a drug that gives her fantasy bunny ears that are sensitive in a specific way Rentarou doesn’t fully grasp.
Nano takes a drug that lengthens her hair and make sit prehensile, allowing her to grab Rentarou and draw him close with a kiss. She has other doses, but warns a side effect is baldness. Rentarou will love Nano with or without hair, but admits he loves her hair too, so Nano ditches the extra doses.
Once all the drugs wear off, the newly-formed sextet some afternoon tea. Kusuri provided to different kinds for Rentarou and the others, but when he insists she go to the bathroom when she has a call of nature, she trusts them not to get them mixed up.
However, while she assumed the girls would consider the slender, “chic” red Thermos their tea, they pick the “utilitarian” blue Thermos because it’s bigger and there are more of them. So when she returns, the other four girls end up sipping tea meant for Rentarou.
This isn’t just a different blend: it’s a potion that was intended to give Rentarou an uncontrollable urge to kiss her. As the girls turn feral one by one, she further explains that it’s not meant for girls, and turns them into vicious “kiss zombies” with superhuman strength and speed.
When all hell starts breaking loose, Kusuri is again crestfallen, thinking it’s happening again … I’m screwing everything up. We see a flashback to everyone in her chem club eventually abandoning her, likely due to her eccentricity. But what she’ll come to learn is that everyone in this group is weird in their own way, and once you’re Rentarou’s girlfriend, he’ll never let you go.
The task before him and Kusuri is to administer the neutralizing drug to all four girls within one hour. If they don’t, they’ll be in this kiss-ravenous frenzy for the rest of their days. The episode ends on a cliffhanger and postcard memory, but I think I already know the solution: Rentarou simply has to have a mouthful of neutralizing drug for when each of the girls inevitably kisses him.
Kusuri marks yet another stretch into heightened reality and absurdity, as her drugs are essentially magic potions. That said, she’s not simply kooky comic relief, as I empathized with her desire to share her passion with others and avoiding loneliness, and her love for Rentarou (and his for her) is as genuine and endearing as everyone else’s.
The question is, will we proceed with just these five girlfriends for the remainder of the cour, or will the show switch up the OP and ED and introduce a sixth, seventh, or more? There are ninety-five soulmates to go, after all!
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