Plot

A quiet high schooler who doesn't really get the concept of personal space becomes smitten with the boy who sits next to her in class.

The petite classmate Reina Aharen is quiet and cute, but it seems that her sense of distance is quite bad, and she is often inaccurate in measuring space and will have various problems. For a series of incomprehensible antics made by classmate Aharen, there is only one person trying to understand these, and he is Raidou. On this day, Raidou found that Aharen's eraser fell on the ground he leaned over to pick it up for her and handed it to her without thinking. Since then, the strange friendship between the two began to blossom. The "Sometimes Too Far" and "Sometimes Too Close" teen romance comedy kicks off!.—Bilibili TV

Beginning his first year of high school, all Matsuboshi Raidou wants is to make friends-starting with the cute, tiny, and soft-spoken Reina Aharen, who sits right next to him in class. Unbeknownst to Raidou, Reina shares the same sentiment, but she has a problem. Awkward and timid, Reina is incapable of determining how chummy she has to be when approaching a person. Due to Reina's complete inability to gauge personal space, the two struggle to spark their unlikely friendship, as even the simplest tasks like talking seem impossible for them. But despite the countless yet pointless challenges that hinder the pair, the overly imaginative Raidou will do whatever it takes to befriend the indecipherable Reina.—MAL Rewrite

Socially awkward Aharen-san has personal boundary issues, either getting too close or too far from her classmates. When fellow student Raido picks up an eraser she drops, Aharen-san decides they're now best friends. Whether studying, playing the arcade, or just eating lunch-she's along for the ride. What follows is an impromptu bonding that shows affection can blossom in the unlikeliest of places!.—Crunchyroll