Sirene-Chan is a short four page ecchi comedy manga that follows the title character, Sirene-chan.
It starts with Sirene-chan's alarm clock going off in the morning, she responds by knocking it off her table using her launching arms. A little while later she is seen dressed in her schoolgirl outfit on the way to her school when she meets up with Akira Fudo who she then starts bending over and shows him her rear end for no apparent reason. Later during lunch Sirene-chan hops onto the table and lays an egg and then starts to eat it in front of a very confused Akira.
- Sirene-Chan: The young female protagonist, she is friends with Akira and has some odd abilities.
- Akira Fudo: Sirene's friend who is easily weirded out by her abilities.