In order to drive away his persistent previous boyfriend, Yuzuha, one of a set of twins who are popular influencers, declares he’ll start a relationship with the passerby pudgy underclassman Yachiro. Although he was partially caught up in it, the kind Yachiro went along with it and agreed to pretend to be his boyfriend. Yuzuha fully enjoys playing at being lovers with warm and squishy Yachiro. However, when Yachiro loses weight and drastically changes into a gorgeous man, his heart won’t stop fluttering——!?

Daigo is starting college in the spring, joining his twin cousins, Jin and Shin. Daigo always had a crush on Jin since he was a child, but Shin was always the one who couldn’t leave him alone. Shin finds out that Daigo has a crush on Jin, and aggressively presses Shin about it, telling him to pick him instead of Jin. Since Shin and Jin are identical, Daigo gets confused. His heart starts beating faster as he looks into Shin’s eyes and…?! This series has been published in Japan since 2012 which Japanese title name is "Hitotsu Yane no Shita no Kedamono" **Available in English:** [Amazon Kindle](https://www.amazon.com/dp/B076PTV3FH) [Book Walker](https://global.bookwalker.jp/de6bb34151-895d-420c-9a18-9f8743a0c50c/under-one-roof-with-the-beast-yaoi-manga-volume-1/) [Comixology](https://www.comixology.com/Under-One-Roof-With-the-Beast-Yaoi-Manga-Vol-1/digital-comic/599935) [Google Play](https://play.google.com/store/books/details/Chihaya_Kuroiwa_Under_One_Roof_With_the_Beast_Yaoi?id=_0KoDwAAQBAJ) [Kobo](https://www.kobo.com/us/en/ebook/under-one-roof-with-the-beast-yaoi-manga-6) [NOOK](https://www.barnesandnoble.com/w/under-one-roof-with-the-beast-chihaya-kuroiwa/1127257964)

After breaking up with his girlfriend, Natsuno is homeless and spending nights in his office. At a mutual acquaintance's wedding celebration, he meets up with his old school friend Ui, who had confessed to him just before graduation. Natsuno promptly rejected him and they drifted out of contact. Now an accident has left Ui with amnesia, and his first words to Natsuno are: "Who are you?" Hoping to charm the other man into lending him a place to crash for a while, Natsuno lies: "I'm your ex"…!?

"There's no way I will marry you, Ryuuji" were the bitter words handed back to Ryuuji, in response to his marriage propsal to his girlfriend. Heartbroken and pissed off at the way he was dumped by his girlfriend, Ryuuji visits his best friend, Tomoya, to look for some comfort. However, Tomoya's indirect confession of "I am glad you didn't marry her" evokes new feelings and desires in Ryuuji, that he never knew he had.

"Senpai, I want you to fall for me." When Hotaka, his junior in high school, suddenly confessed to him during their student days, Yuu felt so embarrassed that he gave him the brush-off. He was brusque with Hotaka, but even now, he regrets hurting his cute junior whom he cared about more than anyone. However, when they happen to meet each other again after several years, Hotaka has turned into a devilish man, bent on seducing a drunk Yuu...

Katsumi, a university student who hates troublesome matters, leaves all the household chores to his childhood friend and flatmate, Akira. He's lazy to the point that he doesn't want a girlfriend and gets call ladies to take care of his sexual urges. Katsumi happens to find out that Akira likes him one day. Initially feeling indifferent about it, he starts to get impatient as there is no change in Akira's behaviour even after this revelation. Katsumi eventually realises that he is worried because he hopes that their relationship can develop further…

Sokabe is a gay salaryman who lives in an apartment far away from his company because of his crush on his neighbor Motoi. One day, Sokabe stumbles on Motoi's very large collection of BL manga. In a panic, he ends up being mistaken by Motoi, who is a hardcore fudanshi, as a fellow BL enthusiast. Now Sokabe must find a way to either confess his feelings or forever keep his silence as Motoi drags him into the world of sexy semes and blushing ukes.