Tsuyoshi Mukouda is transported to a fantasy world and discovers his only skill is "having free access to online supermarket".

Umika is a sweet yet shy high school girl. She has trouble speaking to others and dreams of having a friend from another planet. But her lonely school life takes a cosmic turn when she meets transfer student Yu, an alien with telepathic powers! The two become close and promise to go to space one day. So, they decide to build a rocket and shoot for the stars, making new friends along the way.

Meiko Morita is chosen to transfer into an elite all-girls academy and moves to Tokyo to live in the student dormitory. To her surprise, the dorm also operates as a manga cafe - and she finds herself working there alongside the other residents. This is the beginning of Meiko's new life in a tiny one-tatami room!