Zannen nagara Chigaimasu.

줄거리

Following what seems like a mundane encounter, a 29-year-old man falls in love with a high school student. Despite their age difference, he cannot seem to avert his eyes from her, leading him to confess his true feelings. Surprisingly, the girl reveals that she shares the same sentiment, which prompts the man to marry her. [Written by MAL Rewrite]