Hikaru feels like his little brother Hijiri is better than him at everything, so he likes to seduce his brother's girlfriends to feel like he has something of his own. So when Hijiri starts hanging out with middle schooler Sachio, Hikaru assumes they're dating and tries to get in on this only to be embarrassed by Sachio's earnestness and purity. After that, he's approached by Sachio's older brother, Tomura, who he can tell is in love with him, and they start hanging out, but Hikaru feels like he's taking advantage of Tomura's feelings. I didn't love this one, and honestly the main couple didn't do it for me. Sachio and Hijiri were very cute when they finally got together in the last episode, though I still feel a little awkward about that age gap. Trigger warnings: underage love interest.
Yasashiku Oshiete