This manga comprises of multiple tales by Momoyuki.
First story - The Love Laboratory:
A special hormone potion invented by the chemistry club costs 500 yen per bottle. Riko-chan's boyfriend, Yuuki-kun, is indifferent towards love. Riko-chan desires to progress their relationship, but will it end well?
Second story - Merry Kiss:
Saya-chan, a stunning model is paired with Natsu, the most desired celebrity, for a passionate advertisement campaign. Will their staged romance turn into sincere love?
Third story - Perfect Doll:
Kenji's father has instructed him to relocate to Japan and conceal his identity as a puppet-master. Renji sees to it, but his schoolmates vanish, and return lifeless, as if their souls have been taken. Renji awakens his father's "perfect doll" to uncover the mystery.
Fourth story - Twinkle Twinkle:
Mashiro is a student by day and a mysterious thief by night, known as Star Drop. To uncover her father's whereabouts, she must steal all of Reira's treasures and unlock the path behind the old city.
Fifth and last story - Cupid's Love Arrow:
A transfer student claims to be a fortune-teller, helping girls with their love problems. Aya tests his spell, accidentally summoning Mira, an angel-in-training. The truth is revealed that the transfer student was indeed Cupid himself.
