Ai wa Sekai o Sukuu no ka!?

The bargaining love between a manager and his secretary.

Masaki Yotsuya has finally accomplished his goal of being the assistant of the famous designer Yasuyo Kanda! What he doesn't know is that Kanda-san is also an infamous womanizer who's managed to bed every female assistant he's ever gotten within no more than an hour! And that Kanda-san refuses to acknowledge Yotsuha as his assistant! But Yotsuya refuses to give up without a fight!

When Sano has plans to go on an overseas trip for school, Nakamichi realizes just how much of a jealous boyfriend he actually is. Though Sano also just can't help but want to hear Nakamichi's voice.

Tsukishiro wants to know if he's gay. He runs into his subordinate, Asahina, while visiting a gay pub….

In a world were the number of women being born is decreasing and it's now mainly a male society, scientists are trying to figure out a way to bring back humanity and fix this virus. A famous, upper class, bright, young and handsome scientist named Mikoshiba has come to the lower class area in order to help their research due to his interest in a cute, naive but average scientist named Niino who dreams of saving the world.

Nakamichi works in the 24-hour convenience store that happens to be on Sano's way home from school. He is baffled by the amount of lollipops Sano buys every day! Nakamichi gets very used to seeing Sano around: when Sano suddenly stops showing his face at the store, Nakamichi misses him! What happens to Sano? And why buy so many lollipops?

"Instead of hush money, how about I pay with my body?" In the beginning it was curiosity, of a reticent but handsome backstage staff and a beautiful model who uses his body to his advantage. Witness the tactics of their dangerous game of love.

What happened between Akira and Shimakawa from Shimakawa's POV.

1-3: Megane Goshi no Sora wa… Even though Azuma's "spectacle fetish" is infamous – guys are out of the question, and Sorachi is definitely way out of the question. He's too serious for him to even carry on a decent conversation with. One day, however, Azuma finds Sorachi asleep without his glasses, and he can't help himself from kissing him! Glasses may be the thing that attracts Azuma to Sorachi… or is it? 4: Koi wo Itashimashou Minami always seems to walk in on Sawai being confessed to! Sawai doesn't know how good he has it, being beloved by cute girls. But there's a reason why Sawai turns them down… 5: Gogo 1-ji ni Aimashou… Everyday, Detective Saegusa Noritaka has an unwilling lunch date in serious cafe worker Nanase Ikumi. But every time Saegusa tries to get closer, Nanase pulls away. 6: Aishiteiru to Seijitsu ni Me de Katare Kirishima's younger neighbor, Tetsuji, is getting ready to go to college. Kirishima's always had a crush on the younger man, but he has never been able to tell him. But before he leaves, Tetsuji suddenly kisses him!

Mizuno Chihiro is unable to control his urges and becomes erect very easily. Because of his constant tardiness, he was sent to participate in the re-development system together with two other problematic senpai: Takatou Shinobu and Kandori Akira. Sharing a room with Takatou, Mizuno became erect when he helped Takatou, a manga artist, with his smutty works. Takatou tried his best to help Mizuno, falling in love with Mizuno along the way. However, he refuses to admit his own feelings, hurting Mizuno in the process. What should Mizuno do?